3.2 Use an area model. In the model, the large
squares represent wholes, the small rectangles
along the right and lower edges represent tenths,
and the small squares at the lower right represent
hundredths. The model is 3 and 2 tenths units long,
and 2 and 1 tenth unit wide.
2.1
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The area of the model is
whole(s) +
tenth(s) +
hundredth(s) square units.
3.2 x 2.1 =