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 (A)</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 (A)</p> Signup and view all the answers

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

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

What type of number is used to represent financial values?

<p>Money amounts (D)</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 (D)</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 (A)</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 (C)</p> Signup and view all the answers

What is the correct order of operations when performing calculations?

<p>BODMAS (B)</p> Signup and view all the answers

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

<p>Zero (D)</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 (A)</p> Signup and view all the answers

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

<p>Convention (B)</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 (B)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Division (D)</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 (C)</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) (C)</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 (A)</p> Signup and view all the answers

What is the definition of a proper fraction?

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

What is the definition of a negative number?

<p>A number less than zero (D)</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 (D)</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 (B)</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 (C)</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 (C)</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 (C)</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 (D)</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 (C)</p> Signup and view all the answers

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

<p>Zero (D)</p> Signup and view all the answers

What is the purpose of estimating answers to calculations?

<p>To check answers for accuracy (C)</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 (C)</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 (C)</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 (D)</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 (B)</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 (D)</p> Signup and view all the answers

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

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

What is the purpose of estimating?

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

What is the correct order of operations in BODMAS?

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

What is a proper fraction?

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

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

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

What is the definition of a negative number?

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

What is the purpose of using a place value table?

<p>To understand the size of numbers (A)</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. (C)</p> Signup and view all the answers

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

<p>Money owed. (C)</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. (A)</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) (B)</p> Signup and view all the answers

What is the purpose of an account statement?

<p>To detail purchases, payments made, and amounts owed. (A)</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. (D)</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 (B)</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. (C)</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 (A)</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. (B)</p> Signup and view all the answers

What is the main characteristic of municipal tariffs?

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

What is the formula for calculating municipal costs?

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

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

<p>1 (B)</p> Signup and view all the answers

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

<p>Frequency (A)</p> Signup and view all the answers

What is the purpose of a tree diagram?

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

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

<p>Event (C)</p> Signup and view all the answers

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

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

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

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

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

<p>Measurements (C)</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 (D)</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 (D)</p> Signup and view all the answers

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

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

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

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

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

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

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

<p>To indicate positions (B)</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 (D)</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 (B)</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 (B)</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 (D)</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 (A)</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 (A)</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 (B)</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 (D)</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 (D)</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 (B)</p> Signup and view all the answers

What is the definition of a ratio?

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

What is the purpose of rounding numbers?

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

What is the definition of a negative number?

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

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

<p>Zero (A)</p> Signup and view all the answers

What is the purpose of using brackets in calculations?

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

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

<p>Zero (A)</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 (D)</p> Signup and view all the answers

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

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

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

<p>To make calculations easier (B)</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 (A)</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 (A)</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 (C)</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 (C)</p> Signup and view all the answers

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

<p>Zero (C)</p> Signup and view all the answers

What is the purpose of estimating in calculations?

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

What is the definition of a mixed number?

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

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

<p>Zero (C)</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 (B)</p> Signup and view all the answers

What is the purpose of converting fractions to decimal fractions?

<p>To simplify calculations (D)</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 (D)</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 (C)</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 (A)</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) (B)</p> Signup and view all the answers

What is the term for money paid into an account?

<p>Credit (C)</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 (D)</p> Signup and view all the answers

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

<p>Tariff (B)</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 (C)</p> Signup and view all the answers

What is the term for money owed?

<p>Debt (D)</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 (A)</p> Signup and view all the answers

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

<p>Credit Limit (A)</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 (B)</p> Signup and view all the answers

What is the formula for calculating municipal costs?

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

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

<p>1 (D)</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 (C)</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) (B)</p> Signup and view all the answers

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

<p>Event (D)</p> Signup and view all the answers

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

<p>0 (C)</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 (D)</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 (D)</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 (B)</p> Signup and view all the answers

What is the probability of the complement of an event?

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

What is the primary purpose of estimating in mathematical problems?

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

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

<p>100 (A)</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 (A)</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 (C)</p> Signup and view all the answers

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

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

When comparing large numbers, what should you do first?

<p>Compare digits starting from the leftmost column. (C)</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. (B)</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. (D)</p> Signup and view all the answers

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

<p>Zero. (D)</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. (B)</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. (D)</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 (C)</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. (B)</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 (A)</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. (A)</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. (D)</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 (A)</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 (A)</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. (D)</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 (C)</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 (D)</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 (C)</p> Signup and view all the answers

What is the purpose of converting fractions to decimal fractions?

<p>To make calculations easier (D)</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 (B)</p> Signup and view all the answers

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

<p>To compare two quantities (A)</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 (B)</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 (D)</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 (C)</p> Signup and view all the answers

What is the purpose of estimating in mathematical problems?

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

What is the definition of a rate?

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

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

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

What is the purpose of converting fractions to decimal fractions?

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

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

<p>Zero (A)</p> Signup and view all the answers

What is the definition of a proportion?

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

What is the purpose of rounding numbers?

<p>To make numbers easier to compare and understand (B)</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 (B)</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) (D)</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 (B)</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 (B)</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 (C)</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 (D)</p> Signup and view all the answers

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

<p>Debt (A)</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 (D)</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 (A)</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 (A)</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) (D)</p> Signup and view all the answers

What is the term for a probability of 0.5?

<p>Even Chances (D)</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 (B)</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 (B)</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 (C)</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 (A)</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) (A)</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 (B)</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 (C)</p> Signup and view all the answers

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

<p>Trial (A)</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 (D)</p> Signup and view all the answers

Which type of number is used to represent rates?

<p>Percentages (C)</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 (A)</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 (A)</p> Signup and view all the answers

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

<p>Convention (B)</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 (A)</p> Signup and view all the answers

What is the purpose of using codes in number representation?

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

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

<p>Decimal point (C)</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 (D)</p> Signup and view all the answers

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

<p>Percentages (B)</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 (B)</p> Signup and view all the answers

Which of the following is an example of a code?

<p>A bank account number (C)</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 (C)</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 (B)</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 (B)</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 (D)</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 (B)</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 (A)</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 (D)</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 (D)</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 (C)</p> Signup and view all the answers

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

<p>Zero (A)</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 (C)</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 (A)</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 (C)</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 (C)</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 (C)</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 (A)</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 (B)</p> Signup and view all the answers

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

<p>The number becomes its opposite (D)</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 (C)</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 (D)</p> Signup and view all the answers

What is the purpose of using a ratio?

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

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

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

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

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

What is the purpose of using a decimal fraction?

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

What is the purpose of using brackets in calculations?

<p>To indicate the order of operations (A)</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 (A)</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 (C)</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 (B)</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 (C)</p> Signup and view all the answers

What is the definition of a negative number?

<p>A number less than zero (C)</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 (C)</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. (B)</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. (A)</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) (C)</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. (C)</p> Signup and view all the answers

What is the term for money paid into an account?

<p>Credit (D)</p> Signup and view all the answers

What is the purpose of a tariff?

<p>To determine the cost of services based on usage. (A)</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 (B)</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. (D)</p> Signup and view all the answers

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

<p>Debt (D)</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. (C)</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) (C)</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 (C)</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 (A)</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 (D)</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 (D)</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) (D)</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 (B)</p> Signup and view all the answers

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

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

What is the purpose of weather predictions?

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

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

<p>Frequency (A)</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 (D)</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 (C)</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 (A)</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 (B)</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 (A)</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 (D)</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 (D)</p> Signup and view all the answers

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

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

What is the purpose of using a ratio?

<p>To compare two quantities (B)</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 (D)</p> Signup and view all the answers

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