Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 22 − 26 by rounding each number to the nearest 10: ______
- Estimate 88 − 56 by rounding each number to the nearest 10: ______
- Estimate 42 − 73 by rounding each number to the nearest 10: ______
- Estimate 34 + 44 by rounding each number to the nearest 10: ______
- Estimate 36 + 28 by rounding each number to the nearest 10: ______
- Estimate 69 − 65 by rounding each number to the nearest 10: ______
- Estimate 83 − 86 by rounding each number to the nearest 10: ______
- Estimate 72 + 46 by rounding each number to the nearest 10: ______
- Estimate 29 − 76 by rounding each number to the nearest 10: ______
- Estimate 72 − 78 by rounding each number to the nearest 10: ______
- Estimate 39 − 66 by rounding each number to the nearest 10: ______
- Estimate 27 − 32 by rounding each number to the nearest 10: ______
- Estimate 26 − 30 by rounding each number to the nearest 10: ______
- Estimate 43 + 72 by rounding each number to the nearest 10: ______
- Estimate 72 − 61 by rounding each number to the nearest 10: ______
- Estimate 54 + 42 by rounding each number to the nearest 10: ______
- Estimate 65 + 53 by rounding each number to the nearest 10: ______
- Estimate 31 + 24 by rounding each number to the nearest 10: ______
- Estimate 50 + 42 by rounding each number to the nearest 10: ______
- Estimate 77 − 51 by rounding each number to the nearest 10: ______