1.   Which known fact can be doubled to help you find the product? What is the product?

    A. 4 × 3 = 12; 24 B. 3 × 8 = 12; 24
    C. 2 × 3 = 12; 24 D. 4 × 3 = 24; 24
    Hint

  2.   Which known fact can be doubled to help you find the product? What is the product?

    A. 5 × 4 = 25; 50 B. 8 × 5 = 20; 40
    C. 5 × 4 = 24; 48 D. 5 × 4 = 20; 40
    Hint

  3.   Use the Commutative Property to help you find the product. What is the product?

8 × 0

    A. 0 × 8 = 8; 8 B. 0 × 8 = 80; 80
    C. 0 × 8 = 0; 0 D. 0 × 8 = 1; 1
    Hint

  4.   Use the Commutative Property to find each unknown factor.

1 × ❏ = 8

❏ × 1 = 8

    A. The unknown is 18. B. The unknown is 0.
    C. The unknown is 8. D. The unknown is 1.
    Hint

  5.   If there are 3 groups of 8 cats and 6 groups of 8 dogs, how many animals are there in all? Explain?
    A. 72 animals;

3 × 8 = 24 and

6 × 8 = 48,

24 + 48 = 72

B. 82 animals;

3 × 6 = 18 and

8 × 8 = 64,

18 + 64 = 82

    C. 64 animals;

3 × 8 = 24 and

6 × 8 = 40,

24 + 40 = 64

D. 80 animals;

3 × 8 = 32 and

6 × 8 = 48,

32 + 48 = 80

    Hint