Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 32 + 59 by rounding each number to the nearest 10: ______
- Estimate 27 − 37 by rounding each number to the nearest 10: ______
- Estimate 80 + 48 by rounding each number to the nearest 10: ______
- Estimate 60 − 57 by rounding each number to the nearest 10: ______
- Estimate 44 − 75 by rounding each number to the nearest 10: ______
- Estimate 35 − 79 by rounding each number to the nearest 10: ______
- Estimate 67 − 29 by rounding each number to the nearest 10: ______
- Estimate 36 + 51 by rounding each number to the nearest 10: ______
- Estimate 84 − 41 by rounding each number to the nearest 10: ______
- Estimate 48 + 51 by rounding each number to the nearest 10: ______
- Estimate 27 + 29 by rounding each number to the nearest 10: ______
- Estimate 40 − 42 by rounding each number to the nearest 10: ______
- Estimate 76 − 29 by rounding each number to the nearest 10: ______
- Estimate 32 − 29 by rounding each number to the nearest 10: ______
- Estimate 83 + 40 by rounding each number to the nearest 10: ______
- Estimate 26 + 56 by rounding each number to the nearest 10: ______
- Estimate 53 − 39 by rounding each number to the nearest 10: ______
- Estimate 45 + 70 by rounding each number to the nearest 10: ______
- Estimate 36 + 24 by rounding each number to the nearest 10: ______
- Estimate 71 + 52 by rounding each number to the nearest 10: ______