Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 47 + 72 by rounding each number to the nearest 10: ______
- Estimate 25 + 82 by rounding each number to the nearest 10: ______
- Estimate 44 − 70 by rounding each number to the nearest 10: ______
- Estimate 33 + 59 by rounding each number to the nearest 10: ______
- Estimate 36 + 28 by rounding each number to the nearest 10: ______
- Estimate 87 − 74 by rounding each number to the nearest 10: ______
- Estimate 83 − 43 by rounding each number to the nearest 10: ______
- Estimate 85 − 31 by rounding each number to the nearest 10: ______
- Estimate 82 + 84 by rounding each number to the nearest 10: ______
- Estimate 51 + 54 by rounding each number to the nearest 10: ______
- Estimate 65 + 50 by rounding each number to the nearest 10: ______
- Estimate 64 + 55 by rounding each number to the nearest 10: ______
- Estimate 70 + 37 by rounding each number to the nearest 10: ______
- Estimate 55 − 37 by rounding each number to the nearest 10: ______
- Estimate 71 + 35 by rounding each number to the nearest 10: ______
- Estimate 73 + 65 by rounding each number to the nearest 10: ______
- Estimate 36 − 48 by rounding each number to the nearest 10: ______
- Estimate 88 − 21 by rounding each number to the nearest 10: ______
- Estimate 29 − 60 by rounding each number to the nearest 10: ______
- Estimate 45 + 54 by rounding each number to the nearest 10: ______