Module Three

According to the commutative property, if I know that 3 x 6 = 18, I also know that...

• 3 x 3 = 9

• 6 x 3 = 18

• 3 x 2 = 6

• 3 x 6 = 18

What fact is related to 3 x 6 = 18?

• 3 x 6 = 18

• 3 x 5 = 15

• 15 ÷ 3 = 5

• 18 ÷ 3 = 6

According to this array, which is true?

• 5 x 4 = 4 x 5

• 4 x 1 = 1 x 4

• 3 x 4 = 4 x 3

• 6 x 7 = 7 x 6

Which answer shows how I can use my five facts to solve 6 x 7?

• 6 x 7 = 42

• 7 x 6 = 42

• 5 x 7 = 35

• 5 x 7 = 35 + 7 = 42

Find the value of the unknown.

21 ÷ t = 7

• 7

• 3

• 21

• 4

Find the value of the unknown.

32 = s X 8

• 5

• 6

• 3

• 4

Find the value of the unknown.

35 = 7 x h

• 2

• 9

• 4

• 5

6 x 8 =

• 42

• 48

• 36

• 54

7 x7 =

• 42

• 48

• 49

• 40

7 x 3 =

• 35

• 14

• 28

• 21