SOLUTION: How do you do this problem. 72 square cm divided by 8 cm.

Question 702099: How do you do this problem. 72 square cm divided by 8 cm.
Answer by RedemptiveMath(80) (Show Source): You can put this solution on YOUR website!
First let us worry about the numbers. Then we'll be concerned about what label to use.

"72 divided by 8" also means "8 times a number gets us 72." It is called an "inverse operation" of multiplication. We can kind of say that it is the opposite of multiplication. How many times does 8 go into 72? How many times do we have to add 8 together to get 72? Both of these questions have the same answer, and both of these questions can be asked to solve this problem. 72 divided by 8 gives us 9. Now let us move on to the label.

We are given two labels: cm^2 and cm. "Squared" labels come by multiplication processes. When we multiply two measurement labels together, they usually are written with a square sign after the label. So, when we divide a squared label (as in 72 cm^2) by a non-squared label (as in 8 cm), we receive a non-squared label. Our answer should be 9 cm.
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