Understanding Factor Pairs

Why does the instructor use rainbows in the lesson?

• Because the instructor is a unicorn

• To help visualize factor pairs

• To make the lesson more colorful

• To teach about weather phenomena

What is the first step in finding factor pairs of a number?

• Use a calculator

• Start with the number 2

• Divide the number by 3

• Begin with 1 and the number itself

Which of the following is a factor pair of 20?

• 6 and 3

• 4 and 5

• 3 and 7

• 8 and 2

What is the factor pair of 72 that involves the number 3?

• 3 and 36

• 3 and 12

• 3 and 18

• 3 and 24

Which number cannot be used to form a factor pair with 72?

• 6

• 8

• 7

• 9