Name _________________________________ Class___________________ Date _________________
Practice 1-1
Using Estimation Strategies
Use rounding to estimate the nearest half-dollar.
1. $4.85
2. $6.79
3. $14.19
- 3.95
+ 5.59
+ 1.47
4.
$25.43
- 21.20
Use front-end estimation to estimate each sum.
5.
4.76 + 6.15
6.
1.409 + 3.512
8.
3.17 + 2.72
9.
9.87 + 2.16
7.
Use compatible numbers to estimate each quotient.
11. 76.32
12. 42.693
24.98
4.7
2.479 + 6.518
10.
5.89 + 7.21
13.
54.36
Use any estimation strategy to calculate. Tell which strategy you used.
14. $66.93 + $72.18 + $69.18 + $71.94 + $65.75
15.
93.26 — 69.78
16.
51.12 • 87.906
17.
457.03 + 592.8
18.
702
61
19.
12.87 + 14.31 + 15.09
20.
536
41
Find each estimate.
21.
A rare truffle once sold for $13.20 for a 0.44 oz can.
Approximately how much would 1 lb of this truffle cost?
22.
The length of the longest loaf of bread measured 1,405 ft in. It
was cut into slices in. thick. How many slices were there?
11.001