Estimating Addition
Round each decimal to the nearest TENTH then find the sum
42.15 + 9.57
About 51.8
Solve this problem:
14.325 + 7.608
21.933
Solve this problem:
19.89 - 6.52
13.37
Sophie put up three bookshelves in her room. The top shelf is 2.77 feet long, the middle shelf is 1.52 feet long, and the bottom shelf is 3.45 feet long.
What is the combined length of ALL THREE bookshelves?
7.74 feet long
Round each decimal to the nearest TENTH then find the sum
$5.75 + $19.89 + $22.22
About $47.90
Solve this problem:
6.17 + 4.24
10.41
Solve this problem:
14.6 - 3.9
10.7
Sophie put up three bookshelves in her room. The top shelf is 2.77 feet long, the middle shelf is 1.52 feet long, and the bottom shelf is 3.45 feet long.
How much longer is the bottom shelf than the top shelf?
0.68 feet
Round each decimal to the nearest WHOLE NUMBER then find the sum
36.26 + 36. 26 + 24.73 + 24.73
About 122
Solve this problem:
6.52 + 13.37
19.89
Solve this problem:
15.3 - 6.6
8.7
Mr. Lee sold 9.7 pounds of apples, Ms. Perry sold 50.55 pounds of apples, Ms. Cleary sold 34.5 pounds of apples at the farmers market.
Which two people sold the most apples?
Ms. Perry and Mr. Jones
Round each decimal to the nearest HUNDREDTH then find the sum
0.547 + 3.659
About 4.21
Solve this problem:
$1.29 + $0.38
$1.67
Solve this problem:
3.45 - 2.77
0.68
Mr. Lee sold 9.7 pounds of apples, Ms. Perry sold 50.55 pounds of apples, Ms. Cleary sold 34.5 pounds of apples at the farmers market.
What is the difference between the amount of apples that Ms. Perry sold and Mr. Jones sold?
4.95 pounds
Round each decimal to the nearest WHOLE NUMBER then find the sum
123.45 + 62.8
About 186
Solve this problem:
9.87 + 4.53
14.4
Solve this problem:
50.55 - 45.60
4.95
Ricardo bought a pair of shoes for $44.50 and a hat for $8.67. How much did he spend in all?
If he paid with 4 twenty-dollar bills, how much change did he get?
$53.17
and he got $26.83 in change