Multiplication Patterns

Investigation #3; p. 131-135

4 x 3 = 3 x 4

Models of Multiplication

Rectangular ArrayAreaSquare Numbers or Perfect Squares

Area4 squares on this side

4 s

qu

are

s on

th

is

sid

e

TOTAL number of squares = 16

4 squares x 4 squares

Rectangular Array

5 columns

3 rows

Multiplication Model 3 rows of hearts x 5 columns of hearts 15 hearts

1 2 3 4 5

6 7 8 9 10

11 12 13 14 15

Square Numbers or

Perfect Squares

12 22

or 1 x 1

or 2 x 2

32

1 squared

2 squared 3 squaredor 3 x 3

Perimeter Song to Remember