Texas Math Models

Try “number line” or “4.5D”

Cover it with squares

7 × 12 = 84 square units G3

every square inside the rectangle, counted7 rows of 67 rows of 127761242 square units84 square unitsa square unit is the unit of area: one square, one unit

How this one works

How

cover the rectangle with squares and count every one.

Best when

you are working out what area means.

seen one of these on a test? See it on a real question: TEKS 3.6C, area with unit squares, or TEKS 4.5D, perimeter and area of rectangles.

The same problem, other ways