Page 52 - TB_5B
P. 52
Learn how to multiply whole numbers by decimals using models.
Multiply. 3 0.42
3 0.42 = 1.26
Use different colors to show 0.42 in
each grid paper. Put the colored parts together.
Then count the number of
colored squares.
3 . Multiply. b. 0.47
3
a. 0.21
6
c. 0.55 7 d. 4 0.34 You can also find
e. 0.63 2 f. 5 0.76 the product like this.
0.42 2 decimal digits
3 0 decimal digit
1.26 2 decimal digits
21. Multiplying by Decimals 41
Multiply. 3 0.42
3 0.42 = 1.26
Use different colors to show 0.42 in
each grid paper. Put the colored parts together.
Then count the number of
colored squares.
3 . Multiply. b. 0.47
3
a. 0.21
6
c. 0.55 7 d. 4 0.34 You can also find
e. 0.63 2 f. 5 0.76 the product like this.
0.42 2 decimal digits
3 0 decimal digit
1.26 2 decimal digits
21. Multiplying by Decimals 41
