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Questions and Answers
What is the set of numbers that we use to count called?
What is the set of numbers that we use to count called?
- Natural Numbers (correct)
- Whole Numbers
- Rational Numbers
- Integers
Which of the following operations is not closed under the system of natural numbers?
Which of the following operations is not closed under the system of natural numbers?
- Addition
- Subtraction (correct)
- Division (correct)
- Multiplication
What is the purpose of 0 in the system of whole numbers?
What is the purpose of 0 in the system of whole numbers?
- To represent a negative number
- To provide a special symbol for counting
- To write numbers that are multiples of 10
- To enable the writing of numbers (correct)
What is an additive inverse in the system of integers?
What is an additive inverse in the system of integers?
What is a characteristic of rational numbers?
What is a characteristic of rational numbers?
Which of the following is an example of an irrational number?
Which of the following is an example of an irrational number?
What is the set of numbers that includes both rational and irrational numbers?
What is the set of numbers that includes both rational and irrational numbers?
Which operation has the identity element 0 in the system of whole numbers?
Which operation has the identity element 0 in the system of whole numbers?
What is a characteristic of the system of natural numbers?
What is a characteristic of the system of natural numbers?
What is the difference between the system of whole numbers and the system of natural numbers?
What is the difference between the system of whole numbers and the system of natural numbers?
What is the purpose of estimating in calculations?
What is the purpose of estimating in calculations?
What is the result of multiplying a number by 1, 2, 3, and so on?
What is the result of multiplying a number by 1, 2, 3, and so on?
What is the purpose of prime factorization?
What is the purpose of prime factorization?
What is the formula for calculating average speed?
What is the formula for calculating average speed?
What is the difference between the HP price and the cash price?
What is the difference between the HP price and the cash price?
What is the result of calculating the ratio between the numbers of apples collected by different people?
What is the result of calculating the ratio between the numbers of apples collected by different people?
What is the purpose of compensating for errors in calculations?
What is the purpose of compensating for errors in calculations?
What is the formula for calculating time?
What is the formula for calculating time?
What is the term for the largest number that divides each of two or more numbers without leaving a remainder?
What is the term for the largest number that divides each of two or more numbers without leaving a remainder?
What is the method of calculating the LCM of two numbers?
What is the method of calculating the LCM of two numbers?
What is the result of subtracting a natural number from another natural number?
What is the result of subtracting a natural number from another natural number?
Which of the following is a property of the system of whole numbers?
Which of the following is a property of the system of whole numbers?
What is the purpose of the number 0 in the system of whole numbers?
What is the purpose of the number 0 in the system of whole numbers?
Which of the following is a characteristic of integers?
Which of the following is a characteristic of integers?
What is the main difference between the system of natural numbers and the system of integers?
What is the main difference between the system of natural numbers and the system of integers?
What is a characteristic of rational numbers?
What is a characteristic of rational numbers?
What is the set of numbers that includes both rational and irrational numbers?
What is the set of numbers that includes both rational and irrational numbers?
What is a characteristic of irrational numbers?
What is a characteristic of irrational numbers?
Which of the following is a property of the system of natural numbers?
Which of the following is a property of the system of natural numbers?
What can be said about the system of whole numbers?
What can be said about the system of whole numbers?
What is the main purpose of estimating in calculations?
What is the main purpose of estimating in calculations?
What is the result of subtracting multiples of the divisor from the dividend in long division?
What is the result of subtracting multiples of the divisor from the dividend in long division?
What is the purpose of finding the Lowest Common Multiple (LCM) of two or more numbers?
What is the purpose of finding the Lowest Common Multiple (LCM) of two or more numbers?
What is the formula for calculating distance?
What is the formula for calculating distance?
What is the term for the process of expressing a number as a product of its prime factors?
What is the term for the process of expressing a number as a product of its prime factors?
What is the purpose of simple interest?
What is the purpose of simple interest?
What is the purpose of hire purchase?
What is the purpose of hire purchase?
What is the result of calculating the ratio of the numbers of apples collected by different people?
What is the result of calculating the ratio of the numbers of apples collected by different people?
What is the purpose of compensating for errors in calculations?
What is the purpose of compensating for errors in calculations?
What is the result of multiplying all the prime factors of two numbers without repeating any factors unless they appear more than once in one of the numbers?
What is the result of multiplying all the prime factors of two numbers without repeating any factors unless they appear more than once in one of the numbers?
What is true about the system of natural numbers and the system of whole numbers?
What is true about the system of natural numbers and the system of whole numbers?
What is a characteristic of irrational numbers?
What is a characteristic of irrational numbers?
What is the main difference between the system of integers and the system of whole numbers?
What is the main difference between the system of integers and the system of whole numbers?
What can be said about the operation of division in the system of natural numbers?
What can be said about the operation of division in the system of natural numbers?
What is a characteristic of the system of rational numbers?
What is a characteristic of the system of rational numbers?
What is true about the sum of two integers?
What is true about the sum of two integers?
What is an important property of the identity element for addition in the system of whole numbers?
What is an important property of the identity element for addition in the system of whole numbers?
What can be said about the system of real numbers?
What can be said about the system of real numbers?
What is true about the operation of subtraction in the system of natural numbers?
What is true about the operation of subtraction in the system of natural numbers?
What is a characteristic of the system of integers?
What is a characteristic of the system of integers?
When estimating the result of a calculation, which of the following is the most important consideration?
When estimating the result of a calculation, which of the following is the most important consideration?
When multiplying two numbers using column multiplication, what is the purpose of expanding the numbers?
When multiplying two numbers using column multiplication, what is the purpose of expanding the numbers?
What is the primary purpose of prime factorization in calculating the HCF and LCM of two numbers?
What is the primary purpose of prime factorization in calculating the HCF and LCM of two numbers?
Moeneba collects apples at a rate of 5 apples per minute. If Kate collects apples at a rate of 15 apples per minute, what is the ratio of the numbers of apples collected by Moeneba and Kate?
Moeneba collects apples at a rate of 5 apples per minute. If Kate collects apples at a rate of 15 apples per minute, what is the ratio of the numbers of apples collected by Moeneba and Kate?
A biscuit recipe requires 5 parts of flour, 2 parts of oatmeal, and 1 part of cocoa powder. If the recipe requires a total of 18 parts of ingredients, how many parts of flour are needed?
A biscuit recipe requires 5 parts of flour, 2 parts of oatmeal, and 1 part of cocoa powder. If the recipe requires a total of 18 parts of ingredients, how many parts of flour are needed?
What is the average speed of a person who travels 120 km in 4 hours and then travels 80 km in 2 hours?
What is the average speed of a person who travels 120 km in 4 hours and then travels 80 km in 2 hours?
A shop offers a 10% discount on a product with a marked price of $100. What is the selling price of the product?
A shop offers a 10% discount on a product with a marked price of $100. What is the selling price of the product?
If a hire purchase deal involves a deposit of $500 and 12 monthly instalments of $100 each, what is the total HP price?
If a hire purchase deal involves a deposit of $500 and 12 monthly instalments of $100 each, what is the total HP price?
What is the difference between simple interest and compound interest?
What is the difference between simple interest and compound interest?
When finding the LCM of two numbers, what is the purpose of multiplying all the prime factors without repeating any factors unless they appear more than once in one of the numbers?
When finding the LCM of two numbers, what is the purpose of multiplying all the prime factors without repeating any factors unless they appear more than once in one of the numbers?
What is the key difference between the system of natural numbers and the system of whole numbers?
What is the key difference between the system of natural numbers and the system of whole numbers?
What is a characteristic of the operation of addition in the system of natural numbers?
What is a characteristic of the operation of addition in the system of natural numbers?
What is a characteristic of the operation of multiplication in the system of natural numbers?
What is a characteristic of the operation of multiplication in the system of natural numbers?
What is a characteristic of the operation of subtraction in the system of natural numbers?
What is a characteristic of the operation of subtraction in the system of natural numbers?
What is a characteristic of the operation of division in the system of natural numbers?
What is a characteristic of the operation of division in the system of natural numbers?
What is a characteristic of the system of integers?
What is a characteristic of the system of integers?
What is a characteristic of the identity element for addition in the system of whole numbers?
What is a characteristic of the identity element for addition in the system of whole numbers?
What is a characteristic of the system of rational numbers?
What is a characteristic of the system of rational numbers?
What is a characteristic of the system of real numbers?
What is a characteristic of the system of real numbers?
What is a characteristic of irrational numbers?
What is a characteristic of irrational numbers?
What is the primary purpose of estimating in calculations?
What is the primary purpose of estimating in calculations?
When finding the LCM of two numbers, what should be done with the prime factors?
When finding the LCM of two numbers, what should be done with the prime factors?
What is the purpose of prime factorization?
What is the purpose of prime factorization?
What is the formula for calculating average speed?
What is the formula for calculating average speed?
What is the purpose of compensating for errors in calculations?
What is the purpose of compensating for errors in calculations?
What is the formula for calculating distance?
What is the formula for calculating distance?
What is the purpose of simple interest?
What is the purpose of simple interest?
What is the purpose of hire purchase?
What is the purpose of hire purchase?
What is the result of calculating the ratio between the numbers of apples collected by different people?
What is the result of calculating the ratio between the numbers of apples collected by different people?
What is the term for the largest number that divides each of two or more numbers without leaving a remainder?
What is the term for the largest number that divides each of two or more numbers without leaving a remainder?
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