Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 62 − 26 by rounding each number to the nearest 10: ______
- Estimate 33 + 36 by rounding each number to the nearest 10: ______
- Estimate 49 − 88 by rounding each number to the nearest 10: ______
- Estimate 44 − 45 by rounding each number to the nearest 10: ______
- Estimate 72 − 52 by rounding each number to the nearest 10: ______
- Estimate 47 + 78 by rounding each number to the nearest 10: ______
- Estimate 44 − 62 by rounding each number to the nearest 10: ______
- Estimate 21 − 52 by rounding each number to the nearest 10: ______
- Estimate 53 − 87 by rounding each number to the nearest 10: ______
- Estimate 60 − 45 by rounding each number to the nearest 10: ______
- Estimate 48 − 39 by rounding each number to the nearest 10: ______
- Estimate 72 − 43 by rounding each number to the nearest 10: ______
- Estimate 36 − 21 by rounding each number to the nearest 10: ______
- Estimate 58 − 30 by rounding each number to the nearest 10: ______
- Estimate 85 + 77 by rounding each number to the nearest 10: ______
- Estimate 81 + 22 by rounding each number to the nearest 10: ______
- Estimate 66 − 53 by rounding each number to the nearest 10: ______
- Estimate 46 + 46 by rounding each number to the nearest 10: ______
- Estimate 70 + 75 by rounding each number to the nearest 10: ______
- Estimate 84 + 59 by rounding each number to the nearest 10: ______