Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 60 + 46 by rounding each number to the nearest 10: ______
- Estimate 56 − 49 by rounding each number to the nearest 10: ______
- Estimate 25 − 62 by rounding each number to the nearest 10: ______
- Estimate 71 − 73 by rounding each number to the nearest 10: ______
- Estimate 42 + 88 by rounding each number to the nearest 10: ______
- Estimate 77 − 23 by rounding each number to the nearest 10: ______
- Estimate 87 − 46 by rounding each number to the nearest 10: ______
- Estimate 44 + 50 by rounding each number to the nearest 10: ______
- Estimate 37 + 32 by rounding each number to the nearest 10: ______
- Estimate 71 + 30 by rounding each number to the nearest 10: ______
- Estimate 58 + 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 54 by rounding each number to the nearest 10: ______
- Estimate 83 + 47 by rounding each number to the nearest 10: ______
- Estimate 87 − 77 by rounding each number to the nearest 10: ______
- Estimate 55 + 68 by rounding each number to the nearest 10: ______
- Estimate 33 − 66 by rounding each number to the nearest 10: ______
- Estimate 81 + 79 by rounding each number to the nearest 10: ______
- Estimate 88 + 33 by rounding each number to the nearest 10: ______
- Estimate 44 − 85 by rounding each number to the nearest 10: ______
- Estimate 52 + 37 by rounding each number to the nearest 10: ______