Texas Math Models

Try “number line” or “4.5D”

Rows × the number in each row

7 × 12 = 84 square units G3

the counting, written as multiplication7 rows7 rows6 in each row12 in each row7 × 6 = 427 × 12 = 84count one row, count the rows, then multiply

How this one works

How

count the rows, count how many are in one row, then multiply.

Best when

you want the quick way that still makes sense.

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