Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 82 − 26 by rounding each number to the nearest 10: ______
- Estimate 51 + 23 by rounding each number to the nearest 10: ______
- Estimate 43 − 36 by rounding each number to the nearest 10: ______
- Estimate 55 + 46 by rounding each number to the nearest 10: ______
- Estimate 28 − 77 by rounding each number to the nearest 10: ______
- Estimate 56 − 31 by rounding each number to the nearest 10: ______
- Estimate 58 − 76 by rounding each number to the nearest 10: ______
- Estimate 48 − 48 by rounding each number to the nearest 10: ______
- Estimate 52 + 64 by rounding each number to the nearest 10: ______
- Estimate 59 − 32 by rounding each number to the nearest 10: ______
- Estimate 84 − 24 by rounding each number to the nearest 10: ______
- Estimate 73 + 43 by rounding each number to the nearest 10: ______
- Estimate 43 − 42 by rounding each number to the nearest 10: ______
- Estimate 64 + 50 by rounding each number to the nearest 10: ______
- Estimate 82 − 50 by rounding each number to the nearest 10: ______
- Estimate 22 + 69 by rounding each number to the nearest 10: ______
- Estimate 62 + 61 by rounding each number to the nearest 10: ______
- Estimate 82 + 46 by rounding each number to the nearest 10: ______
- Estimate 58 + 38 by rounding each number to the nearest 10: ______
- Estimate 33 − 58 by rounding each number to the nearest 10: ______