Understanding Factor Pairs

What is the purpose of using rainbows in the context of factor pairs?

• To show the order of operations

• To represent the number 144

• To visually connect factor pairs

• To make the learning process more colorful

Which of the following is a factor pair of 20?

• 8 and 2

• 6 and 3

• 4 and 5

• 3 and 7

Why is the number 3 not considered a factor of 20?

• Because 3 cannot be multiplied by any whole number to get 20

• Because 3 is an odd number

• Because 3 is greater than 20

• Because 3 is not a prime number

Which of the following is a factor pair of 72?

• 6 and 12

• 7 and 10

• 5 and 14

• 9 and 8

What is the last factor pair identified for the number 72?

• 4 and 18

• 6 and 12

• 3 and 24

• 8 and 9