Factors and Factor Pairs

The video tutorial explains the concept of factors and factor pairs using the number 18 as an example. It begins by demonstrating that 3 and 6 are factors of 18, forming a factor pair. The tutorial then explores other factor pairs for 18, such as 2 and 9, and 1 and 18. It emphasizes that for any whole number, the number itself and 1 are always factors. The lesson concludes with a summary of how to identify factors and factor pairs for a whole number.

What is a factor pair of 18?

• 2 and 8

• 4 and 4

• 3 and 6

• 3 and 5

Which of the following is another factor pair of 18?

• 5 and 5

• 4 and 5

• 7 and 2

• 2 and 9

What is the result of multiplying 2 and 9?

• 16

• 18

• 20

• 22

Which numbers are always factors of any whole number?

• The number itself and 1

• The number itself and 0

• The number itself and 3

• The number itself and 2

Which of the following is NOT a factor of 18?

• 9

• 5

• 3

• 1