Understanding Factor Pairs

What is the purpose of using rainbows in the lesson on factor pairs?

• To visually connect factor pairs

• To make the lesson more colorful

• To explain the concept of multiplication

• To teach about weather patterns

Which of the following is a factor pair of 20?

• 8 and 2

• 3 and 7

• 4 and 5

• 6 and 3

Why is the number 3 not used as a factor for 20?

• 3 is an odd number

• 3 is already used with another number

• 3 is too small

• 3 is not a factor of 20

Which of the following is a factor pair of 72?

• 9 and 8

• 5 and 14

• 6 and 12

• 7 and 10

What is the significance of reaching the number 9 in the factor pairs of 72?

• It is the largest factor of 72

• It is a prime number

• It is the smallest factor of 72

• It indicates the end of the factor list