4-6
Solve using partial products.
1.3 x 2.3
2.99
Rewrite the multiplication expression.
3.47 x 5.7 = (347 x ___) x (57 x ___)
(357 x 0.01) x (57 x 0.1)
Use number sense to place the decimal in the product.
0.35 x 29 = 1015
10.15
At the grocery store, potatoes cost $0.49 per pound. David bought 5 pounds of potatoes. How much did he spend?
$2.45
Solve using partial products.
6.5 x 1.7
11.05
Rewrite the multiplication expression.
2.86 x 4.8 = (286 x ___) x (48 x ___)
(286 x 0.01) x (48 x 0.1)
Use number sense to place the decimal in the product.
5.4 x 8.2 = 4428
44.28
Every school day, Mario rides the school bus 3.47 miles round trip between home and school. How many miles did he ride the school bus in 21 school days?
72.87 miles
Solve using partial products.
8.5 x 6.3
53.55
What decimal multiplication problem is this showing?
(6 x 7) x (0.1 x 0.1)
0.6 x 0.7
0.22 x 1.7 = 374
0.374
Patty is buying school supplies. Notebooks are $1.99, pencils are $0.49, and binders are $2.99. How much would 7 notebooks cost?
$13.93
There are 1.6 kilometers in one mile. How many kilometers are in 1.8 miles?
2.88
What decimal multiplication problem is this showing?
(34 x 57) x (0.1 x 0.1)
3.4 x 5.7
Which of the following is the missing factor?
___ x 1.7 = 5.78
a) 0.034
b) 0.34
c) 3.4
d) 34
c) 3.4
Amy wanted to put carpet in her office. The floor of her office is 8.4 feet long and 5.2 feet wide. How much carpet does she need to cover her office floor?
43.68 feet
Sweet potatoes cost $0.60 per pound. How much does 0.75 pounds of sweet potatoes cost?
$0.45
What decimal multiplication problem is this showing?
(125 x 36) x (0.01 x 0.1)
1.25 x 3.6
Which of the following is the missing factor?
___ x 2.6 = 31.98
a) 123
b) 12.3
c) 1.23
d) 0.123
b) 12.3
Jackie downloaded 14 songs priced at $0.99 each and 1 song for $1.29. How much did Jack pay?
$15.15