Estimating Digits
Write the rounded problem and answer
4,732 ÷ 13
5,000 ÷ 10
500
392,196 ÷ 87 Use standard algorithm
4, 508 (show your work)
Convert to a fractional division expression.
14.04 ÷ 4.68
14.04 100 1404
____ x ___ ____
4.86 100 486
Estimate using mental math.
18.75 ÷ 2.5
18.75 x 2 37.5
________ = ______
2.5 x 2 5
7.5
Paul will pay for his new car in 36 monthly payments. If his car loan is for $19,061, then how much will Paul pay each month? Round your answer to nearest cent.
$529.47
Write the rounded problem and answer
22,752 ÷ 16
2,000 ÷ 20
1,000
1,634 ÷ 19
86
Convert decimal division to fractional division expression
0.162 ÷ 0.036
0.162 1,000 162
_____ x _____ _____
0.036 1,000 36
4,564 ÷ 3.5
4,564 x 2 9128
_____ = _____
3.5 x 2 7
1,304
What is the average speed in miles per hour of a car that travels 956.4 miles in 15.9 hours? Round your answer to the nearest tenth.
60.2
Write the rounded problem and answer
715 ÷ 11
700 ÷ 10
70
7,735 ÷ 119
65
125.01 ÷ 5.4
125.01 12501
_____ x 10 _____
5.4 x 10 54
For every 0.30480 meters, there is one foot. Determine the number of feet in 7.9248 meters. Use paper to support your answer.
26
7,884 ÷ 12
8,000 ÷ 10
800
2,450 ÷ 25
98
17.343 ÷ 36.9
17.343 1,000 17,343
_____ x _____
36.9 1,000 369
Evaluate the expression using mental math and the division algorithm.
11.1÷9.25
1.2
135,296 ÷ 16
140,000 ÷ 20
7,000
74,152 ÷ 124
598
Lisa purchased almonds for $3.50 per pound. She spent a total of $24.50. How many pounds of almonds did she purchase?
24.50 ÷ 3.50
24.50 10 2450
_____ x _____
3.5 10 350