If you didn't know 7
Possible answers:
7
7
4
Draw and label the rectangle represented by this equation.
Note student responses. Length and width are 7 units and 8 units; area is 56 square units.
If you tiled that rectangle, how many tiles would be in each row? How many rows would there be?
7 rows of 8, or 8 rows of 7.
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