Multiplying Decimals by Whole Numbers
0.2 x 3
0.6
0.07 x 9.6
0.672
What is the product of 0.3 and 0.09?
0.027
12 x 11
132
3.08
three and eight hundredths
5.1 x 9
45.9
9.2 x 0.7
6.44
Maecyn uses 8.2 feet of wire for a craft project. Each foot of wire weighs 0.6 ounce.
What is the total weight of the wire in ounces?
4.92 ounces
836 x 51
42,636
46.7
fourty-six and seven tenths
4.92 x 87
428.04
47.9 x 6.5
311.35
Ms. Jeffers buys 3.5 pounds of cat food for Nugget. Each pound of cat food costs $1.26. Ms. Jeffers wants to know the total cost.
What is the total cost of the cat food Ms. Jeffers buys for Nugget?
$4.41
7,982 x 653
5,212,246
206.384
two hundred-six and three-hundred eighty-four thousandths
82.94 x 81
6,718.14
5.542 x 9.3
51.5406
Find the product using the area model strategy.
Fill in the empty boxes.
1) 0.6
2) 0.18
3) 0.5
4) 0.1
5) 0.03
93,841 x 5,630
528,324,830
431,029.8037
four-hundred thirty-one thousand twenty-nine and eight-thousand thirty-seven ten-thousandths
39.052 x 946
36,943.192
937.2 x 7.18
6,729.096
Zeke multiplies 0.8 × 0.05 as shown below.
0.8 x 0.05 =0.04
Another student says that Zeke made a mistake, because multiplying tenths by hundredths always gives a product in the thousands.
Is Zeke correct? Why or why not?
Yes, Zeke is correct. The product of 0.8 and 0.05 is 0.040
This number is equivalent to 0.04
874,206 x 20,751
18,140,648,706
378,432,296,698.8753478
three-hundred seventy-eight billion, four-hundred thirty-two million, two-hundred ninety-six thousand, six-hundred ninety-eight and eight-million, seven-hundred fifty-three thousand, four-hundred seventy-eight ten millionths