4 x 2 = 2 x 4
Which of the 2 arrays above could be used to prove your answer to #1?
Choose 3 equations that are the same as 3 x 7 = 21.
You can find the answer for 6 x 2 by multiplying 5 x 2 then adding 2 more.
You can find the product of 9 x 3 by which of the following....
3 x 4 = 4 x ?
Which could be used to find the product of 7 x 2 based on the above array?