Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 33 + 81 by rounding each number to the nearest 10: ______
- Estimate 74 − 49 by rounding each number to the nearest 10: ______
- Estimate 29 − 77 by rounding each number to the nearest 10: ______
- Estimate 36 + 33 by rounding each number to the nearest 10: ______
- Estimate 32 + 26 by rounding each number to the nearest 10: ______
- Estimate 41 + 33 by rounding each number to the nearest 10: ______
- Estimate 70 + 58 by rounding each number to the nearest 10: ______
- Estimate 44 + 80 by rounding each number to the nearest 10: ______
- Estimate 54 − 55 by rounding each number to the nearest 10: ______
- Estimate 51 + 35 by rounding each number to the nearest 10: ______
- Estimate 28 − 61 by rounding each number to the nearest 10: ______
- Estimate 30 + 39 by rounding each number to the nearest 10: ______
- Estimate 29 − 57 by rounding each number to the nearest 10: ______
- Estimate 82 + 36 by rounding each number to the nearest 10: ______
- Estimate 46 − 30 by rounding each number to the nearest 10: ______
- Estimate 76 − 83 by rounding each number to the nearest 10: ______
- Estimate 52 − 60 by rounding each number to the nearest 10: ______
- Estimate 51 − 45 by rounding each number to the nearest 10: ______
- Estimate 26 − 34 by rounding each number to the nearest 10: ______
- Estimate 29 − 45 by rounding each number to the nearest 10: ______