Simple Addition Estimation
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Simple Addition Estimation
Estimate by Rounding
Round each number to the nearest 10 and find an estimated total.
- 60
- 70
- 80
- 90
Estimate, Calculate and Check
For each problem, estimate by rounding to the nearest 10, calculate the exact total, then decide whether the exact total is close to your estimate.
Match Each Sum to Its Estimate
Match each addition problem with the estimate you get by rounding both numbers to the nearest 10.
- 31 + 27
- 44 + 33
- 56 + 18
- 62 + 29
- 70
- 90
- 80
- 60
Check the Calculations
Use rounding to help you check each exact answer. Select every incorrect calculation, then explain how an estimate helped you spot the error.
- 32 + 25 = 57
- 47 + 18 = 65
- 29 + 36 = 95
- 54 + 23 = 77
4 printable pages
Page 1
Page 2
Page 3
Page 4
About This Worksheet
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Print-Ready
Formatted for standard paper. Clean layout, easy to read.
AI-Generated
Created with Kuraplan's AI, designed for real classroom use.
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