Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 76 + 54 by rounding each number to the nearest 10: ______
- Estimate 70 + 35 by rounding each number to the nearest 10: ______
- Estimate 59 + 33 by rounding each number to the nearest 10: ______
- Estimate 63 − 52 by rounding each number to the nearest 10: ______
- Estimate 57 + 58 by rounding each number to the nearest 10: ______
- Estimate 33 + 42 by rounding each number to the nearest 10: ______
- Estimate 33 − 29 by rounding each number to the nearest 10: ______
- Estimate 24 + 60 by rounding each number to the nearest 10: ______
- Estimate 62 + 55 by rounding each number to the nearest 10: ______
- Estimate 61 + 67 by rounding each number to the nearest 10: ______
- Estimate 79 + 27 by rounding each number to the nearest 10: ______
- Estimate 63 − 50 by rounding each number to the nearest 10: ______
- Estimate 65 + 66 by rounding each number to the nearest 10: ______
- Estimate 29 − 80 by rounding each number to the nearest 10: ______
- Estimate 55 + 87 by rounding each number to the nearest 10: ______
- Estimate 88 − 76 by rounding each number to the nearest 10: ______
- Estimate 67 − 73 by rounding each number to the nearest 10: ______
- Estimate 24 + 33 by rounding each number to the nearest 10: ______
- Estimate 71 + 25 by rounding each number to the nearest 10: ______
- Estimate 31 − 84 by rounding each number to the nearest 10: ______