Rounding Decimals
Round to the nearest tenth:
32.62
32.6
Round each decimal to the nearest one:
3.7 + 2.4
4 + 2 = 6
Book World receives 12 boxes of books. Each box contains 16 copies of the latest bestseller. How many copies did the store receive?
Exact: 192 copies
Round to the nearest hundredth:
43.0129
43.01
Round each decimal to the nearest one:
93.5- 56.2
41
Students at Tuscan School filled out a survey. The survey showed that out of 374 students, 195 speak a second language. How many students speak only one language?
Exact: 374-195 = 179 students
Round to the nearest ones:
52.87
53
Round each decimal to the nearest one:
16.7 + 8.84
17 + 9 = 26
Pensacola, Florida, gets an average of 64.28 inches of precipitation per year. Key West, Florida, gets an average of 38.94 inches per year. About how many more inches of precipitation does Pensacola get than Key West?
Estimate:
65-40 = 25 in.
60- 40 = 20 in.
64-39 = 25 in.
Round to the nearest ones:
95.801
96
Round each decimal to the nearest ten:
17.16 + 9.91
17 + 10 = 27
A family rents a cottage for $79.95 a day for 7 days. About how much does the family pay for renting the cottage?
Estimate: 80 x 7 = $560
Round to the nearest tenth:
4.190
4.2
Round each decimal to the nearest ten:
62.84 + 74.2
60 + 70 = 130
A family is staying in a hotel for 2 nights. The hotel costs $91.35 a night. About how much will they pay?
Estimate: 90 x 2 = $180