Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 36 − 46 by rounding each number to the nearest 10: ______
- Estimate 28 + 87 by rounding each number to the nearest 10: ______
- Estimate 89 − 52 by rounding each number to the nearest 10: ______
- Estimate 27 + 83 by rounding each number to the nearest 10: ______
- Estimate 62 + 53 by rounding each number to the nearest 10: ______
- Estimate 31 − 33 by rounding each number to the nearest 10: ______
- Estimate 61 − 85 by rounding each number to the nearest 10: ______
- Estimate 41 + 88 by rounding each number to the nearest 10: ______
- Estimate 22 − 39 by rounding each number to the nearest 10: ______
- Estimate 58 − 26 by rounding each number to the nearest 10: ______
- Estimate 41 − 30 by rounding each number to the nearest 10: ______
- Estimate 87 + 28 by rounding each number to the nearest 10: ______
- Estimate 41 − 23 by rounding each number to the nearest 10: ______
- Estimate 56 + 25 by rounding each number to the nearest 10: ______
- Estimate 46 + 34 by rounding each number to the nearest 10: ______
- Estimate 77 + 78 by rounding each number to the nearest 10: ______
- Estimate 68 + 65 by rounding each number to the nearest 10: ______
- Estimate 66 − 66 by rounding each number to the nearest 10: ______
- Estimate 50 − 49 by rounding each number to the nearest 10: ______
- Estimate 35 − 64 by rounding each number to the nearest 10: ______