Estimating Products
Multiplying Decimals
Estimating Quotients
Dividing Decimals
Exponents and Powers of Ten
100
62.7 X 6.1
What is about 360?
100
1.4 X 6
What is 8.4?
100
478.1 / 11.9
What is about 40?
100
4.41 / 5
What is 0.882?
100
This is 2x2x2x2x2 using exponents.
What is 2^5?
200
483 x 9.2
What is about 4,800?
200
12.09 X 19
What is 229.71?
200
89.7 / 9.04
What is about 10?
200
203.84 / 32
What is 6.37?
200
0.81 x 100
What is 81?
300
2.09 x 6.67
What is about 14?
300
0.6 X 1.3
What is 0.78?
300
71.06 / 34.1
What is about 2?
300
0.155 / 0.25
What is 0.62?
300
62.3 x 0.1
What is 6.23?
400
32.8 x 5.1
What is about 150?
400
0.04 X 0.0063
What is 0.000252?
400
725.6 / 88.9
What is about 8?
400
51.667 / 6.1
What is 8.47?
400
2.35 / 1,000
What is 0.00235?
500
A car travels 57.9 miles per hour for 3.2 hours. This is the estimated number of miles driven.
What is about 180 miles?
500
This is the area of a rectangle with a length of 5.8 ft and a width of 12.6 feet.
What is 73.08 square feet?
500
The rainfall for one year was 35.8 inches. This is the approximate rainfall per month.
What is about 3 inches?
500
A marathon race is 26.2 miles long. Larry ran the marathon in 3.6 hours. On average, this is the distance she ran per hour rounded to the nearest tenth.
What is 7.3 miles?
500
0.106 / 0.01
What is 10.6?
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