Exponents over 10
Multiplying decimals
Dividing decimals
Random
Word problems
100
13.2 x 10^2
1320
100
.2 x .6 =
.12
100
.8 divide by 4 =
.2
100
Solve .42 x 10^2
42
100
Mr. Bowen bought 6.8 gallons of gas. Each gallon was $2.24. How much did he spend on gas?
$15.23
200
7.3 divide by 10^3
.0073
200
7 x .5 =
3.5
200
.32 divide by 8 =
.04
200
.5 x 3 =
1.5
200
Ms. Dukes bought everyone candy. The candy was $4.37 per pound. She bought 12.4 pounds of candy. How much did she spend?
$54.19
300
236 x 10^4
2,360,000
300
3.6 x .43 =
1.548
300
52.5 divide by 3.5
15
300
5.3 divide by 10^3
.0053
300
The distance from Earth to the Moon is approximately 2.4 x 10^5 miles. What is that written in base-ten numerals?
240,000 miles
400
734 divide by 10^2
7.34
400
.25 x 1.73 =
.4325
400
.3 x .9
.27
400
Mr. Bowen drove 120.4 miles this week. He used 8.6 gallons of gas. How many miles per gallon did he get this week?
14 miles per gallon
500
.00387 x 10^4
38.7
500
83 x .14 =
11.64
500
12.4 x 5.6
69.44
500
In January it snowed 5.04 inches. The meteorologist solved the equation ( 5.04 in. divided by 3.6 hours = .14 inches per hour )
Are his calculations correct?
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