1
Round 8.067 to the hundredths place
8.07
Round 178.03 to the tens place
180
Round 7.48 to the ones place
7.49
Round 26.138 to the tenths place
26.1
Round to the nearest one, then add or subtract.
32.9 + 17.2
33+17 = 50
Round to the nearest one, then add or subtract.
7.91 + 21.9
8 + 22 = 30
Round to the nearest one, then add or subtract.
48.21 - 12.64
48 - 13 = 35
Round to the nearest one, then add or subtract.
107.14 - 76.87
107 - 77 = 30
Round to the nearest one, then add or subtract.
6.239 - 1.750
6 - 2 = 4
Round to the nearest one, then add or subtract.
3.902 + 2.017
4 + 2 = 6
Determine whether you need an estimate or exact answer. Then, solve.
Book World receives 12 boxes of books. Each box contains 16 copies of the new best-seller Norton's Last Laugh. How many copies of Norton's Last Laugh does the store receive.
Exact answer.
12 x 16 = 192
Determine whether you need an estimate or exact answer. Then, solve.
Students as Tuscan School filled out a survey. They survey showed that of 374 students, 195 speak a second language. How many students speak only one language?
Exact.
374 - 195 = 179
Determine whether you need an estimate or exact answer. Then, solve.
Pensacola, Florida gets can 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.
64 - 39 = 25
Determine whether you need an estimate or exact answer. Then, solve.
It costs Marc $29.75 a week to feed is dog. About how much does it cost him to feed is dog for 3 weeks if the cost increases by $4.40 a week?
Estimate.
$30 + 4 = $34
$34 x 3 = $102.
The average price of a barrel of crude oil in a recent year was $65.37. Which estimated price is incorrect?
A. $65.00
B. $65.40
C. $66.00
D. $70.00
C