Which of the 2 arrays above could be used to prove your answer to #1?

A

B

C

D

3

3

Choose 3 equations that are the same as 3 x 7 = 21.

7 + 7 + 7 = 21

7 x 3 = 21

3 sevens + 1 seven = 21

3 sevens = 3 groups of seven

4

1

You can find the answer for 6 x 2 by multiplying 5 x 2 then adding 2 more.

True

False

5

1

You can find the product of 9 x 3 bywhich of the following....

10 x 3 then add 3

10 x 3 then subtract 3

10 x 3 then add 10

10 x 3 then subtract 10

6

1

3 x 4 = 4 x ?

12

7

4

3

7

1

Which could be used to find the product of 7 x 2 based on the above array?

12 + 2

10 + 2

10 - 2

12 - 2

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