Understanding Factors and Factor Pairs

What is a factor?

• A number that is multiplied by another number to get a product

• A number that is subtracted from another number

• A number that divides another number without a remainder

• A number that is added to another number

How many factors does every whole number greater than one have at a minimum?

• Three

• Four

• Two

• One

Which of the following is a factor pair of 18?

• 1 and 19

• 4 and 5

• 2 and 8

• 3 and 6

What is a factor rainbow used for?

• To find the sum of factors

• To visualize and order factor pairs

• To multiply factors

• To divide factors

What is the first step in finding factor pairs of 24 using arrays?

• Create a 2 by 12 array

• Create a 1 by 24 array

• Create a 4 by 6 array

• Create a 3 by 8 array

Which of the following is not a factor pair of 24?

• 4 and 6

• 3 and 8

• 5 and 5

• 2 and 12

Why is 5 not a factor of 24?

• Because 24 cannot be divided by 5 without a remainder

• Because 5 is an odd number

• Because 5 is greater than 24

• Because 5 is less than half of 24

What is the maximum possible factor of a number?

• The number itself

• Half of the number

• Twice the number

• One less than the number

Which of the following numbers is a factor of 24?

• 7

• 13

• 9

• 12

What is the correct order of factors of 24 from least to greatest?

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 3, 2, 4, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 12, 24

• 1, 2, 4, 3, 6, 8, 12, 24