Gr10 Math Lit: June test mix P(1)
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Questions and Answers

What is the convention used in South Africa to separate whole numbers from decimal fractions?

  • Decimal comma (correct)
  • Decimal point
  • Comma
  • Space

    • What type of number is used to represent exact counts?

  • Measurements
  • Counting numbers (correct)
  • Percentages
  • Order numbers

    • How do you write large numbers in words?

  • Separate the number into groups of three digits from right to left (correct)
  • Read the number as a whole
  • Separate the number into groups of two digits from right to left
  • Read each group individually and name it

    • What is the purpose of a place value table?

    <p>To identify the value of each digit</p> Signup and view all the answers

    How do you order numbers?

    <p>Create a place value table and compare the numbers column by column from left to right</p> Signup and view all the answers

    What is an alternative to the decimal comma in representing decimal fractions?

    <p>Decimal point</p> Signup and view all the answers

    What type of number is used to represent financial values?

    <p>Money amounts</p> Signup and view all the answers

    What is the purpose of separating large numbers into groups of three digits?

    <p>To make the number easier to read</p> Signup and view all the answers

    What is the purpose of estimating in calculations?

    <p>To think about a problem before working it out</p> Signup and view all the answers

    What is the function of the M+ key on a basic calculator?

    <p>Adds a number to the memory</p> Signup and view all the answers

    What is the correct order of operations when performing calculations?

    <p>BODMAS</p> Signup and view all the answers

    What is the result of adding a number and its opposite?

    <p>Zero</p> Signup and view all the answers

    What is the purpose of using a decimal comma in number representation in South Africa?

    <p>To separate whole numbers from decimal fractions</p> Signup and view all the answers

    What is the term for a standard way of doing something in number representation?

    <p>Convention</p> Signup and view all the answers

    What is the purpose of breaking down and multiplying when performing addition and multiplication operations?

    <p>To break large numbers into smaller parts</p> Signup and view all the answers

    What is the result of multiplying a number by 10?

    <p>Shift each digit one place to the left</p> Signup and view all the answers

    What is the term for a fraction whose numerator is larger than the denominator?

    <p>Improper fraction</p> Signup and view all the answers

    What is the process of converting a common fraction to a decimal fraction?

    <p>Division</p> Signup and view all the answers

    What is the primary purpose of estimating in mathematical problems?

    <p>To think about a problem before solving it</p> Signup and view all the answers

    What is the correct order of operations when working with brackets and other mathematical operations?

    <p>BODMAS (Brackets, Orders, Division and Multiplication, Addition and Subtraction)</p> Signup and view all the answers

    What is the result of multiplying a number by 10, 100, or 1000?

    <p>Shift each digit to the left by the number of zeros in the multiplier</p> Signup and view all the answers

    What is the definition of a proper fraction?

    <p>Numerator &lt; Denominator</p> Signup and view all the answers

    How do you convert a common fraction to a decimal fraction?

    <p>Divide the numerator by the denominator</p> Signup and view all the answers

    What is the definition of a negative number?

    <p>A number less than zero</p> Signup and view all the answers

    What is the rule for rounding numbers to the nearest 10?

    <p>Numbers with units digits 1-4 round down, 5-9 round up</p> Signup and view all the answers

    What is the definition of a ratio?

    <p>Comparison of two or more numbers of the same unit</p> Signup and view all the answers

    How do you calculate a percentage of a given amount?

    <p>Convert the percentage to a fraction and multiply by the given amount</p> Signup and view all the answers

    What is the convention for writing numbers in South Africa?

    <p>Use a decimal comma and spaces to separate groups of three digits</p> Signup and view all the answers

    When reading large numbers, what is the purpose of separating the number into groups of three digits from right to left?

    <p>To make the number easier to read and understand</p> Signup and view all the answers

    What is the purpose of using a place value table when working with large numbers?

    <p>To identify the value of each digit</p> Signup and view all the answers

    What is the correct order of operations when evaluating an expression with multiple operations?

    <p>Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction</p> Signup and view all the answers

    What is the result of adding a number and its opposite?

    <p>Zero</p> Signup and view all the answers

    What is the purpose of estimating answers to calculations?

    <p>To check answers for accuracy</p> Signup and view all the answers

    What is the function of the M+ key on a basic calculator?

    <p>Adds a number to the memory</p> Signup and view all the answers

    What is the result of multiplying a number by 10?

    <p>Each digit is shifted one place to the left</p> Signup and view all the answers

    What is the definition of a mixed number?

    <p>A combination of a whole number and a fraction</p> Signup and view all the answers

    What is the purpose of converting fractions to decimal fractions?

    <p>To make fractions easier to read and understand</p> Signup and view all the answers

    What is the definition of a convention in number formats and conventions?

    <p>A standard way of doing something</p> Signup and view all the answers

    In South Africa, what is used to separate whole numbers from decimal fractions?

    <p>A comma</p> Signup and view all the answers

    What is the purpose of estimating?

    <p>To think about a problem before solving it</p> Signup and view all the answers

    What is the correct order of operations in BODMAS?

    <p>Brackets, Orders, Division, Multiplication, Addition, Subtraction</p> Signup and view all the answers

    What is a proper fraction?

    <p>A fraction with a numerator less than the denominator</p> Signup and view all the answers

    What is the result of multiplying a number by 10?

    <p>Shift each digit to the left by one place</p> Signup and view all the answers

    What is the purpose of a ratio?

    <p>To compare two or more numbers of the same type</p> Signup and view all the answers

    What is the result of converting a percentage to a fraction?

    <p>A proper fraction</p> Signup and view all the answers

    What is the purpose of rounding?

    <p>To consider the practical implications of rounding in real-life situations</p> Signup and view all the answers

    What is the definition of a negative number?

    <p>A number less than zero</p> Signup and view all the answers

    What is the purpose of using a place value table?

    <p>To understand the size of numbers</p> Signup and view all the answers

    What is the purpose of a municipal bill?

    <p>To provide detailed information about the property, the services used, and the amounts due.</p> Signup and view all the answers

    What does the term 'debt' refer to in the context of financial documents?

    <p>Money owed.</p> Signup and view all the answers

    What is the purpose of a till slip?

    <p>To provide details of purchased items, including their prices, the total amount paid, and any VAT charged.</p> Signup and view all the answers

    What is the term for a fixed extra cost added to the cost of most items and services in South Africa?

    <p>Value Added Tax (VAT)</p> Signup and view all the answers

    What is the purpose of an account statement?

    <p>To detail purchases, payments made, and amounts owed.</p> Signup and view all the answers

    What is a tariff in the context of tariff systems?

    <p>A pre-determined schedule of prices for services.</p> Signup and view all the answers

    What is the term for the amount of credit still available for use on a store account?

    <p>Credit Available</p> Signup and view all the answers

    What is the purpose of a municipal tariff?

    <p>To determine the cost of utilities such as electricity and water.</p> Signup and view all the answers

    What is the term for the total amount due on a municipal bill after adding the current month's expenses?

    <p>Closing Balance</p> Signup and view all the answers

    What is the purpose of a telephone bill?

    <p>To detail charges for landline or cell phone usage.</p> Signup and view all the answers

    What is the main characteristic of municipal tariffs?

    <p>Cost per unit increases with higher usage levels</p> Signup and view all the answers

    What is the formula for calculating municipal costs?

    <p>Total Cost = ∑ (Usage in Category × Tariff for Category)</p> Signup and view all the answers

    What is the probability of an event that is certain to occur?

    <p>1</p> Signup and view all the answers

    What is the term for the number of times something happens in an experiment?

    <p>Frequency</p> Signup and view all the answers

    What is the purpose of a tree diagram?

    <p>To show all possible outcomes of an event</p> Signup and view all the answers

    What is the formula for calculating the probability of an event?

    <p>P(E) = (Number of favourable outcomes) / (Total number of possible outcomes)</p> Signup and view all the answers

    What is the term for the collection of one or more outcomes?

    <p>Event</p> Signup and view all the answers

    What is the term for the actual result of an experiment?

    <p>Relative frequency</p> Signup and view all the answers

    What is the probability of the complement of an event E?

    <p>1 - P(E)</p> Signup and view all the answers

    What is the term for a game that has an equal chance of winning or losing?

    <p>Fair game</p> Signup and view all the answers

    What is the main purpose of using a place value table?

    <p>To determine the value of each digit in a large number</p> Signup and view all the answers

    Which type of number is used to represent lengths and masses?

    <p>Measurements</p> Signup and view all the answers

    What is the primary purpose of using decimal fractions in number representation?

    <p>To represent rates and proportions</p> Signup and view all the answers

    What is the correct order of operations when arranging numbers in order?

    <p>Create a place value table, compare the numbers column by column, and arrange the numbers accordingly</p> Signup and view all the answers

    What is the main purpose of using codes in number representation?

    <p>To identify numbers</p> Signup and view all the answers

    What is the convention for representing decimal fractions in bank statements?

    <p>Decimal point</p> Signup and view all the answers

    What is the main purpose of using percentages in number representation?

    <p>To represent rates and proportions</p> Signup and view all the answers

    What is the main purpose of using order numbers in number representation?

    <p>To indicate positions</p> Signup and view all the answers

    What is the purpose of separating large numbers into groups of three digits from right to left?

    <p>To make the number easier to read and write</p> Signup and view all the answers

    What is the advantage of using a place value table when working with large numbers?

    <p>It helps to identify the place value of each digit</p> Signup and view all the answers

    What is the purpose of estimating answers to calculations?

    <p>To think about a problem before working it out</p> Signup and view all the answers

    What is the function of the MRC key on a basic calculator?

    <p>It displays the number stored in memory</p> Signup and view all the answers

    What is the correct order of operations when evaluating an expression with multiple operations?

    <p>Brackets, Orders, Division, Multiplication, Addition, Subtraction</p> Signup and view all the answers

    What is the result of multiplying a number by 100?

    <p>The number is shifted two places to the left</p> Signup and view all the answers

    What is the primary purpose of estimating in mathematical problems?

    <p>To check the accuracy of the solution</p> Signup and view all the answers

    What is the definition of a mixed number?

    <p>A combination of a whole number and a fraction</p> Signup and view all the answers

    What is the result of multiplying a number by 10, 100, or 1000?

    <p>Shift each digit to the left</p> Signup and view all the answers

    What is the purpose of converting fractions to decimal fractions?

    <p>To make the fraction easier to compare</p> Signup and view all the answers

    What is the definition of a ratio?

    <p>A comparison of two quantities</p> Signup and view all the answers

    What is the definition of a ratio?

    <p>A comparison of two or more numbers of the same type</p> Signup and view all the answers

    What is the purpose of rounding numbers?

    <p>To make the number easier to understand</p> Signup and view all the answers

    How do you calculate a percentage of a given amount?

    <p>Convert the percentage to a decimal and multiply by the given amount</p> Signup and view all the answers

    What is the purpose of using a decimal comma in number representation in South Africa?

    <p>To separate whole numbers from decimal fractions</p> Signup and view all the answers

    What is the result of converting a common fraction to a decimal fraction?

    <p>A decimal fraction with a finite number of digits</p> Signup and view all the answers

    What is the definition of a negative number?

    <p>A number less than zero</p> Signup and view all the answers

    What is the rule for rounding numbers to the nearest 10?

    <p>Numbers with units digits 1-4 round down, 5-9 round up</p> Signup and view all the answers

    What is the purpose of using a place value table when working with large numbers?

    <p>To separate the number into groups of three digits</p> Signup and view all the answers

    What is the result of adding a number and its opposite?

    <p>Zero</p> Signup and view all the answers

    What is the purpose of using brackets in calculations?

    <p>To indicate the order of operations</p> Signup and view all the answers

    What is the result of subtracting a number from its opposite?

    <p>Zero</p> Signup and view all the answers

    What is the purpose of using the change sign key on a calculator?

    <p>To change the sign of a number</p> Signup and view all the answers

    What is the term for a fraction whose denominator is a power of 10?

    <p>Decimal fraction</p> Signup and view all the answers

    What is the purpose of converting common fractions to decimal fractions?

    <p>To make calculations easier</p> Signup and view all the answers

    What is the purpose of using the MRC key on a basic calculator?

    <p>To display the number stored in memory</p> Signup and view all the answers

    What is the result of multiplying a number by 100?

    <p>The number is shifted two places to the left</p> Signup and view all the answers

    What is the purpose of using a place value table when comparing large numbers?

    <p>To compare numbers</p> Signup and view all the answers

    What is the purpose of grouping numbers when performing addition and multiplication operations?

    <p>To make calculations easier</p> Signup and view all the answers

    What is the result of adding a number and its opposite in a calculation?

    <p>Zero</p> Signup and view all the answers

    What is the purpose of estimating in calculations?

    <p>To think about a problem before solving it</p> Signup and view all the answers

    What is the result of multiplying a number by 100?

    <p>The number is shifted to the left by two digits</p> Signup and view all the answers

    What is the definition of a mixed number?

    <p>A whole number combined with a fraction</p> Signup and view all the answers

    What is the purpose of using a place value table when working with large numbers?

    <p>To understand the size of the number</p> Signup and view all the answers

    What is the correct order of operations when evaluating an expression with multiple operations?

    <p>Brackets, Orders, Division, Multiplication, Addition, Subtraction</p> Signup and view all the answers

    What is the result of adding a number and its opposite?

    <p>Zero</p> Signup and view all the answers

    What is the definition of a ratio?

    <p>A comparison of two or more numbers of the same type</p> Signup and view all the answers

    What is the purpose of converting fractions to decimal fractions?

    <p>To simplify calculations</p> Signup and view all the answers

    What is the result of converting a percentage to a fraction?

    <p>A fraction with a denominator of 100</p> Signup and view all the answers

    What is the purpose of rounding numbers?

    <p>To consider the practical implications of rounding in real-life situations</p> Signup and view all the answers

    What is the main purpose of a municipal bill?

    <p>To detail the services used and the amounts due</p> Signup and view all the answers

    What is the term for a fixed extra cost added to the cost of most items and services in South Africa?

    <p>Value Added Tax (VAT)</p> Signup and view all the answers

    What is the term for money paid into an account?

    <p>Credit</p> Signup and view all the answers

    What is the purpose of a till slip?

    <p>To detail the items purchased and the amount paid</p> Signup and view all the answers

    What is the term for a pre-determined schedule of prices for services?

    <p>Tariff</p> Signup and view all the answers

    What is the purpose of an account statement?

    <p>To detail the purchases, payments made, and amounts owed</p> Signup and view all the answers

    What is the term for money owed?

    <p>Debt</p> Signup and view all the answers

    What is the purpose of a telephone bill?

    <p>To detail the charges for landline or cell phone usage</p> Signup and view all the answers

    What is the term for the maximum amount of credit allowed?

    <p>Credit Limit</p> Signup and view all the answers

    What is the purpose of a tariff system?

    <p>To determine the cost of services based on usage</p> Signup and view all the answers

    What is the formula for calculating municipal costs?

    <p>Total Cost = ∑(Usage in Category × Tariff for Category)</p> Signup and view all the answers

    What is the probability of an event that is certain to occur?

    <p>1</p> Signup and view all the answers

    What type of tariff is charged per unit distance and varies based on the mode of transport?

    <p>Transport tariff</p> Signup and view all the answers

    What is the formula for calculating telephone costs?

    <p>Total Cost = Basic Fixed Charge + (Rate per Second × Duration in Seconds)</p> Signup and view all the answers

    What is the term for a collection of one or more outcomes?

    <p>Event</p> Signup and view all the answers

    What is the probability of an event that is impossible to occur?

    <p>0</p> Signup and view all the answers

    What is the formula for calculating probability of an event?

    <p>P(E) = Number of favourable outcomes / Total number of possible outcomes</p> Signup and view all the answers

    What is the purpose of a tree diagram?

    <p>To show all possible outcomes of an event or series of events</p> Signup and view all the answers

    What is the term for a game that has an equal chance of winning or losing?

    <p>Fair game</p> Signup and view all the answers

    What is the probability of the complement of an event?

    <p>P(not E) = 1 - P(E)</p> Signup and view all the answers

    When converting a decimal fraction to a common fraction, what should the denominator be?

    <p>10, 100, or 1000</p> Signup and view all the answers

    When multiplying a number by 10, 100, or 1000, what happens to each digit?

    <p>It shifts to the left by the number of zeros in the multiplier</p> Signup and view all the answers

    What is the primary purpose of estimating in mathematical problems?

    <p>To check the accuracy of answers</p> Signup and view all the answers

    What is the correct order of operations when evaluating an expression with multiple operations?

    <p>Brackets, Orders, Division, Multiplication, Addition, Subtraction</p> Signup and view all the answers

    What is the term for a comparison of two or more numbers of the same type?

    <p>Ratio</p> Signup and view all the answers

    When converting a percentage to a fraction, what should the denominator be?

    <p>100</p> Signup and view all the answers

    What is the purpose of using a decimal comma in number representation in South Africa?

    <p>To separate whole numbers from decimal fractions</p> Signup and view all the answers

    When simplifying ratios, what should be done to both terms?

    <p>Divide both terms by the greatest common divisor</p> Signup and view all the answers

    What is the term for a fraction whose numerator is less than the denominator?

    <p>Proper fraction</p> Signup and view all the answers

    When calculating a percentage of a given amount, what should be done first?

    <p>Convert the percentage to a decimal</p> Signup and view all the answers

    When comparing large numbers, what should you do first?

    <p>Compare digits starting from the leftmost column.</p> Signup and view all the answers

    What is the purpose of the 'Change Sign' key on a calculator?

    <p>To change the sign of a number from positive to negative or vice versa.</p> Signup and view all the answers

    What is the correct order of operations when evaluating an expression with brackets and other mathematical operations?

    <p>Brackets, Orders, Division and Multiplication, Addition and Subtraction.</p> Signup and view all the answers

    What is the result of adding a number and its opposite?

    <p>Zero.</p> Signup and view all the answers

    What is the purpose of breaking down and multiplying when performing addition and multiplication operations?

    <p>To make calculations easier and faster.</p> Signup and view all the answers

    What is the definition of an improper fraction?

    <p>A fraction whose numerator is larger than the denominator.</p> Signup and view all the answers

    What is the primary reason for using place value tables when working with large numbers?

    <p>To identify the place value of each digit</p> Signup and view all the answers

    What is the result of multiplying a number by 1000?

    <p>The number is shifted three places to the left.</p> Signup and view all the answers

    Which of the following is a correct way to read and write large numbers?

    <p>Separate numbers into groups of three digits from right to left</p> Signup and view all the answers

    What is the purpose of using a place value table when working with large numbers?

    <p>To compare the size of numbers.</p> Signup and view all the answers

    What is the definition of a mixed number?

    <p>A combination of a whole number and a fraction.</p> Signup and view all the answers

    What is the purpose of estimating answers to calculations?

    <p>To think about the problem before working it out</p> Signup and view all the answers

    What is the function of the 'Change Sign' key on a basic calculator?

    <p>To change the sign of a number</p> Signup and view all the answers

    What is the purpose of estimating answers to calculations?

    <p>To think about a problem before working it out.</p> Signup and view all the answers

    What is the correct order of operations when evaluating an expression with multiple operations?

    <p>Brackets, Multiplication and Division, Addition and Subtraction</p> Signup and view all the answers

    What is the result of multiplying a number by 1000?

    <p>Shifting each digit three places to the left</p> Signup and view all the answers

    What is the definition of a mixed number?

    <p>A combination of a whole number and a fraction</p> Signup and view all the answers

    What is the purpose of converting fractions to decimal fractions?

    <p>To make calculations easier</p> Signup and view all the answers

    What is the definition of a convention in number formats and conventions?

    <p>A standard way of doing something</p> Signup and view all the answers

    What is the purpose of using a ratio in mathematical problems?

    <p>To compare two quantities</p> Signup and view all the answers

    In South Africa, what is the purpose of separating large numbers into groups of three digits?

    <p>To make numbers easier to read and compare</p> Signup and view all the answers

    What is the correct order of operations when performing calculations involving brackets, exponents, division, multiplication, addition, and subtraction?

    <p>Brackets, exponents, multiplication, division, addition, subtraction</p> Signup and view all the answers

    What is the result of converting the improper fraction 3/2 to a mixed number?

    <p>1 1/2</p> Signup and view all the answers

    What is the purpose of estimating in mathematical problems?

    <p>To check the accuracy of an answer</p> Signup and view all the answers

    What is the definition of a rate?

    <p>A comparison of two numbers with different units</p> Signup and view all the answers

    What is the result of multiplying a number by -1?

    <p>The opposite of the number</p> Signup and view all the answers

    What is the purpose of converting fractions to decimal fractions?

    <p>To make fractions easier to compare</p> Signup and view all the answers

    What is the result of adding a number and its opposite?

    <p>Zero</p> Signup and view all the answers

    What is the definition of a proportion?

    <p>A relationship indicating that two ratios are equal</p> Signup and view all the answers

    What is the purpose of rounding numbers?

    <p>To make numbers easier to compare and understand</p> Signup and view all the answers

    What is the primary purpose of a municipal bill in South Africa?

    <p>To calculate the total amount due for the current month</p> Signup and view all the answers

    What is the term for a fixed extra cost added to the cost of most items and services in South Africa?

    <p>VAT (Value Added Tax)</p> Signup and view all the answers

    What is the term for a document detailing purchased items or services, the amount paid, or the amount due?

    <p>Bill</p> Signup and view all the answers

    What is the purpose of a tariff system?

    <p>To calculate the cost of a service based on usage</p> Signup and view all the answers

    What is the term for the maximum amount of credit allowed on a store account?

    <p>Credit Limit</p> Signup and view all the answers

    What is the purpose of a till slip?

    <p>To serve as a proof of payment for a purchase</p> Signup and view all the answers

    What is the term for the amount of money owed on a store account?

    <p>Debt</p> Signup and view all the answers

    What is the purpose of a tariff in a tariff system?

    <p>To pair a unit of payment with a unit of measurement</p> Signup and view all the answers

    What is the term for the amount of credit still available for use on a store account?

    <p>Credit Available</p> Signup and view all the answers

    What is the purpose of an account statement?

    <p>To detail purchases, payments made, and amounts owed on a store account</p> Signup and view all the answers

    What is the formula for calculating the total cost of a municipal tariff?

    <p>∑(Usage in Category × Tariff for Category)</p> Signup and view all the answers

    What is the term for a probability of 0.5?

    <p>Even Chances</p> Signup and view all the answers

    What is the purpose of a tree diagram in probability?

    <p>To show all possible outcomes of an event</p> Signup and view all the answers

    What is the formula for calculating the probability of an event?

    <p>P(E) = Number of favourable outcomes / Total number of possible outcomes</p> Signup and view all the answers

    What is the term for a game that has an equal chance of winning or losing?

    <p>Fair Game</p> Signup and view all the answers

    What is the purpose of analysing past weather data in weather predictions?

    <p>To calculate the probability of rain</p> Signup and view all the answers

    What is the formula for calculating the complement of an event?

    <p>P(not E) = 1 - P(E)</p> Signup and view all the answers

    What is the term for a table that shows the outcomes of two events?

    <p>Two-Way Table</p> Signup and view all the answers

    What is the term for the number of times something happens in a game of chance?

    <p>Frequency</p> Signup and view all the answers

    What is the term for an experiment that is repeated multiple times?

    <p>Trial</p> Signup and view all the answers

    What is the primary purpose of using a place value table when working with large numbers?

    <p>To identify the value of each digit</p> Signup and view all the answers

    Which type of number is used to represent rates?

    <p>Percentages</p> Signup and view all the answers

    What is the correct way to read and write large numbers?

    <p>Separate numbers into groups of three digits</p> Signup and view all the answers

    What is the purpose of using different number formats in different contexts?

    <p>To specifically represent different types of information</p> Signup and view all the answers

    What is the term for a standard way of doing something in number representation?

    <p>Convention</p> Signup and view all the answers

    How do you arrange numbers in order?

    <p>Create a place value table and compare the numbers column by column from left to right</p> Signup and view all the answers

    What is the purpose of using codes in number representation?

    <p>To identify specific items or objects</p> Signup and view all the answers

    What is the alternative to the decimal comma in representing decimal fractions?

    <p>Decimal point</p> Signup and view all the answers

    What is the primary purpose of using spaces to separate groups of three digits in large numbers?

    <p>To make the number easier to read and understand</p> Signup and view all the answers

    Which of the following types of numbers is used to represent rates?

    <p>Percentages</p> Signup and view all the answers

    What is the purpose of creating a place value table when arranging numbers in order?

    <p>To determine the place value of each digit</p> Signup and view all the answers

    Which of the following is an example of a code?

    <p>A bank account number</p> Signup and view all the answers

    What is the purpose of separating whole numbers from decimal fractions in number representation?

    <p>To distinguish between whole numbers and decimal fractions</p> Signup and view all the answers

    What is the primary purpose of using a decimal point in number representation?

    <p>To distinguish between whole numbers and decimal fractions in alternative contexts</p> Signup and view all the answers

    What is the purpose of reading and writing large numbers in groups of three digits?

    <p>To simplify the number by breaking it down into smaller parts</p> Signup and view all the answers

    What is the primary purpose of using a convention in number representation?

    <p>To provide a standard way of doing something</p> Signup and view all the answers

    What is the primary purpose of using the 'Change sign key' on a calculator?

    <p>To change the sign of a number from positive to negative or vice versa</p> Signup and view all the answers

    Which of the following is NOT a benefit of estimating answers to calculations?

    <p>It provides an exact answer to the calculation</p> Signup and view all the answers

    What is the correct order of operations when performing calculations involving brackets, orders, and basic operations?

    <p>Brackets, orders, division and multiplication, addition and subtraction</p> Signup and view all the answers

    What is the result of multiplying a number by 1000?

    <p>Shift each digit three places to the left</p> Signup and view all the answers

    What is the purpose of using a place value table when comparing large numbers?

    <p>To compare the place value of each digit</p> Signup and view all the answers

    What is the result of adding a number and its opposite?

    <p>Zero</p> Signup and view all the answers

    What is the purpose of separating large numbers into groups of three digits?

    <p>To make the number easier to read and understand</p> Signup and view all the answers

    What is the definition of a mixed number?

    <p>A combination of a whole number and a fraction</p> Signup and view all the answers

    What is the purpose of converting common fractions to decimal fractions?

    <p>To express the fraction in a different form</p> Signup and view all the answers

    What is the purpose of using a ratio in mathematical problems?

    <p>To compare the size of two quantities</p> Signup and view all the answers

    What is the primary purpose of using a place value table when comparing large numbers?

    <p>To compare the numbers and understand their size</p> Signup and view all the answers

    Which of the following is a common situation where a negative number is used?

    <p>When representing a temperature below zero</p> Signup and view all the answers

    What is the primary purpose of estimating in mathematical problems?

    <p>To check the reasonableness of an answer</p> Signup and view all the answers

    What is the result of multiplying a number by -1?

    <p>The number becomes its opposite</p> Signup and view all the answers

    When multiplying by 10, 100, or 1000, what happens to the digits of the original number?

    <p>They shift to the left by the number of zeros in the multiplier</p> Signup and view all the answers

    Which of the following is a method of simplifying ratios?

    <p>Dividing both terms by their greatest common divisor</p> Signup and view all the answers

    What is the purpose of using a ratio?

    <p>To compare two numbers with different units</p> Signup and view all the answers

    What is the purpose of using the BODMAS rule in calculations?

    <p>To ensure that calculations are performed in a specific order</p> Signup and view all the answers

    What is the result of dividing a number by its opposite?

    <p>The result is always zero</p> Signup and view all the answers

    What is the result of converting a percentage to a fraction?

    <p>A proper fraction</p> Signup and view all the answers

    Which of the following is a situation where a rate is used?

    <p>Measuring the speed of a car</p> Signup and view all the answers

    What is the purpose of using a decimal fraction?

    <p>To represent parts of a whole</p> Signup and view all the answers

    What is the correct order of operations when evaluating an expression with multiple operations?

    <p>Brackets, Orders, Division and Multiplication, Addition and Subtraction</p> Signup and view all the answers

    What is the purpose of using brackets in calculations?

    <p>To indicate the order of operations</p> Signup and view all the answers

    Which of the following is a common situation where a percentage increase is used?

    <p>When calculating a salary increase</p> Signup and view all the answers

    What is the result of converting a percentage to a fraction?

    <p>The result is always a proper fraction</p> Signup and view all the answers

    What is the purpose of using the 'breaking down and multiplying' method in calculations?

    <p>To make calculations easier by breaking down numbers into parts</p> Signup and view all the answers

    What is the purpose of using a place value table?

    <p>To understand the value of each digit in a number</p> Signup and view all the answers

    What is the definition of a negative number?

    <p>A number less than zero</p> Signup and view all the answers

    What is the rule for rounding numbers to the nearest 10?

    <p>Numbers with units digits 1-4 round down, 5-9 round up</p> Signup and view all the answers

    What is the main difference between a municipal bill and a telephone bill?

    <p>Municipal bills include charges for electricity and water, while telephone bills include fixed charges for line rental and variable charges for calls made.</p> Signup and view all the answers

    What is the purpose of a tariff system?

    <p>To determine the cost of services based on usage.</p> Signup and view all the answers

    What is the term for the fixed extra cost added to the cost of most items and services in South Africa?

    <p>VAT (Value Added Tax)</p> Signup and view all the answers

    What is the purpose of a till slip?

    <p>To provide details of purchased items, including their prices, the total amount paid, and any VAT charged.</p> Signup and view all the answers

    What is the term for money paid into an account?

    <p>Credit</p> Signup and view all the answers

    What is the purpose of a tariff?

    <p>To determine the cost of services based on usage.</p> Signup and view all the answers

    What is the term for the maximum amount of credit allowed on a store account?

    <p>Credit Limit</p> Signup and view all the answers

    What is the purpose of a municipal bill?

    <p>To provide a detailed breakdown of municipal services, including charges for electricity, water, and waste disposal.</p> Signup and view all the answers

    What is the term for the amount of money owed on a store account?

    <p>Debt</p> Signup and view all the answers

    What is the purpose of an account statement?

    <p>To provide a detailed breakdown of a store account, including purchases, payments made, and amounts owed.</p> Signup and view all the answers

    What is the formula for calculating the total cost of a municipal tariff?

    <p>Total Cost = Σ(Usage in Category × Tariff for Category)</p> Signup and view all the answers

    What is the term for a probability of 1, which means an event is certain to occur?

    <p>Certain</p> Signup and view all the answers

    What is the formula for calculating the probability of an event?

    <p>P(E) = Number of favourable outcomes / Total number of possible outcomes</p> Signup and view all the answers

    What is the purpose of a tree diagram in probability?

    <p>To show all possible outcomes of an event or series of events</p> Signup and view all the answers

    What is the term for a game that has an equal chance of winning or losing?

    <p>Fair Game</p> Signup and view all the answers

    What is the formula for calculating the complement of an event?

    <p>P(not E) = 1 - P(E)</p> Signup and view all the answers

    What is the purpose of a two-way table in probability?

    <p>To show the outcomes of two events and calculate combined probabilities</p> Signup and view all the answers

    What is the term for a probability that is based on past data?

    <p>Theoretical Probability</p> Signup and view all the answers

    What is the purpose of weather predictions?

    <p>To make forecasts based on past weather data</p> Signup and view all the answers

    What is the term for the number of times something happens in a trial?

    <p>Frequency</p> Signup and view all the answers

    What is the primary purpose of using a place value table when working with large numbers?

    <p>To identify the value of each digit in a number</p> Signup and view all the answers

    What is the function of the MRC key on a basic calculator?

    <p>Displays the number stored in memory</p> Signup and view all the answers

    What is the correct order of operations when performing calculations with multiple operations?

    <p>Brackets, Orders, Division and Multiplication, Addition and Subtraction</p> Signup and view all the answers

    What is the purpose of converting fractions to decimal fractions?

    <p>To make it easier to perform calculations</p> Signup and view all the answers

    What is the result of multiplying a number by 1000?

    <p>The number is shifted three places to the left</p> Signup and view all the answers

    What is the definition of a mixed number?

    <p>A combination of a whole number and a fraction</p> Signup and view all the answers

    What is the purpose of using a decimal comma in number representation in South Africa?

    <p>To separate the whole number from the decimal fraction</p> Signup and view all the answers

    What is the result of adding a number and its opposite?

    <p>The result is always zero</p> Signup and view all the answers

    What is the purpose of using a ratio?

    <p>To compare two quantities</p> Signup and view all the answers

    What is the definition of a convention in number formats and conventions?

    <p>A standard way of doing something</p> Signup and view all the answers

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