Page 53 - TB_5B
P. 53
Activity 2 Multiplying Decimals Using Models
Learn how to multiply decimals.
Multiply. 0.7 0.5
Color the rows to Use another color Count the number
show 0.7. to color columns of squares shaded
to show 0.5. with both colors.
The number of squares shaded with both colors: squares
0.7 0.5 =
1 . Find the product using a model. c.
a. b.
0.5 0.2 = 0.10 0.7 0.7 = 0.49 0.3 0.8 = 0.24
Multiply. 0.6 0.8 Add the number of decimal digits
to place the decimal point.
Multiply 0.6 by 0.8 as you would
multiply 2 whole numbers. 0.6 1 decimal digit
0.8 1 decimal digit
0.6 0.4 8 2 decimal digits
0.8
48
42
Learn how to multiply decimals.
Multiply. 0.7 0.5
Color the rows to Use another color Count the number
show 0.7. to color columns of squares shaded
to show 0.5. with both colors.
The number of squares shaded with both colors: squares
0.7 0.5 =
1 . Find the product using a model. c.
a. b.
0.5 0.2 = 0.10 0.7 0.7 = 0.49 0.3 0.8 = 0.24
Multiply. 0.6 0.8 Add the number of decimal digits
to place the decimal point.
Multiply 0.6 by 0.8 as you would
multiply 2 whole numbers. 0.6 1 decimal digit
0.8 1 decimal digit
0.6 0.4 8 2 decimal digits
0.8
48
42
