Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 76 + 35 by rounding each number to the nearest 10: ______
- Estimate 87 + 32 by rounding each number to the nearest 10: ______
- Estimate 43 + 25 by rounding each number to the nearest 10: ______
- Estimate 86 − 43 by rounding each number to the nearest 10: ______
- Estimate 27 + 29 by rounding each number to the nearest 10: ______
- Estimate 25 + 64 by rounding each number to the nearest 10: ______
- Estimate 24 + 66 by rounding each number to the nearest 10: ______
- Estimate 80 − 36 by rounding each number to the nearest 10: ______
- Estimate 45 + 31 by rounding each number to the nearest 10: ______
- Estimate 87 + 35 by rounding each number to the nearest 10: ______
- Estimate 42 + 26 by rounding each number to the nearest 10: ______
- Estimate 62 + 61 by rounding each number to the nearest 10: ______
- Estimate 58 + 83 by rounding each number to the nearest 10: ______
- Estimate 45 − 67 by rounding each number to the nearest 10: ______
- Estimate 29 + 25 by rounding each number to the nearest 10: ______
- Estimate 44 − 43 by rounding each number to the nearest 10: ______
- Estimate 54 − 46 by rounding each number to the nearest 10: ______
- Estimate 60 + 47 by rounding each number to the nearest 10: ______
- Estimate 44 − 42 by rounding each number to the nearest 10: ______
- Estimate 64 − 75 by rounding each number to the nearest 10: ______