Arithmetic Grade Five

Lesson Fifty-eight: X Problems


Here's another kind of X Problem:

As you can see, this time you have to figure out what numbers go on the right and the bottom. To figure out the number on the right you just solve the following:


	top - left = right

In this case you would solve this problem:

	20 - 9 = 11	

This gives you the number on the right. To get the number on the bottom you just multiply the number on the left by the number on the right and you got it.

	9 x 11 = 99

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