Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 58 + 64 by rounding each number to the nearest 10: ______
- Estimate 47 + 27 by rounding each number to the nearest 10: ______
- Estimate 55 + 57 by rounding each number to the nearest 10: ______
- Estimate 49 + 50 by rounding each number to the nearest 10: ______
- Estimate 55 + 75 by rounding each number to the nearest 10: ______
- Estimate 51 + 78 by rounding each number to the nearest 10: ______
- Estimate 39 + 89 by rounding each number to the nearest 10: ______
- Estimate 76 − 26 by rounding each number to the nearest 10: ______
- Estimate 43 + 29 by rounding each number to the nearest 10: ______
- Estimate 56 + 74 by rounding each number to the nearest 10: ______
- Estimate 82 + 33 by rounding each number to the nearest 10: ______
- Estimate 73 − 70 by rounding each number to the nearest 10: ______
- Estimate 59 + 83 by rounding each number to the nearest 10: ______
- Estimate 33 − 74 by rounding each number to the nearest 10: ______
- Estimate 47 − 84 by rounding each number to the nearest 10: ______
- Estimate 73 + 60 by rounding each number to the nearest 10: ______
- Estimate 26 − 76 by rounding each number to the nearest 10: ______
- Estimate 78 − 79 by rounding each number to the nearest 10: ______
- Estimate 66 − 39 by rounding each number to the nearest 10: ______
- Estimate 47 − 86 by rounding each number to the nearest 10: ______