Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 84 + 71 by rounding each number to the nearest 10: ______
- Estimate 30 + 23 by rounding each number to the nearest 10: ______
- Estimate 47 + 60 by rounding each number to the nearest 10: ______
- Estimate 25 + 41 by rounding each number to the nearest 10: ______
- Estimate 49 + 52 by rounding each number to the nearest 10: ______
- Estimate 83 − 68 by rounding each number to the nearest 10: ______
- Estimate 34 − 87 by rounding each number to the nearest 10: ______
- Estimate 59 + 34 by rounding each number to the nearest 10: ______
- Estimate 77 − 38 by rounding each number to the nearest 10: ______
- Estimate 22 − 44 by rounding each number to the nearest 10: ______
- Estimate 85 + 26 by rounding each number to the nearest 10: ______
- Estimate 85 − 47 by rounding each number to the nearest 10: ______
- Estimate 41 − 68 by rounding each number to the nearest 10: ______
- Estimate 31 + 88 by rounding each number to the nearest 10: ______
- Estimate 47 − 31 by rounding each number to the nearest 10: ______
- Estimate 86 + 56 by rounding each number to the nearest 10: ______
- Estimate 76 − 23 by rounding each number to the nearest 10: ______
- Estimate 55 − 77 by rounding each number to the nearest 10: ______
- Estimate 77 + 68 by rounding each number to the nearest 10: ______
- Estimate 45 − 31 by rounding each number to the nearest 10: ______