Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 51 − 29 by rounding each number to the nearest 10: ______
- Estimate 34 − 28 by rounding each number to the nearest 10: ______
- Estimate 86 − 24 by rounding each number to the nearest 10: ______
- Estimate 80 − 58 by rounding each number to the nearest 10: ______
- Estimate 61 − 33 by rounding each number to the nearest 10: ______
- Estimate 23 − 62 by rounding each number to the nearest 10: ______
- Estimate 36 − 28 by rounding each number to the nearest 10: ______
- Estimate 59 + 37 by rounding each number to the nearest 10: ______
- Estimate 45 + 36 by rounding each number to the nearest 10: ______
- Estimate 47 − 52 by rounding each number to the nearest 10: ______
- Estimate 86 + 84 by rounding each number to the nearest 10: ______
- Estimate 89 + 89 by rounding each number to the nearest 10: ______
- Estimate 84 + 52 by rounding each number to the nearest 10: ______
- Estimate 74 + 72 by rounding each number to the nearest 10: ______
- Estimate 59 − 30 by rounding each number to the nearest 10: ______
- Estimate 86 + 87 by rounding each number to the nearest 10: ______
- Estimate 24 + 54 by rounding each number to the nearest 10: ______
- Estimate 80 + 50 by rounding each number to the nearest 10: ______
- Estimate 59 + 50 by rounding each number to the nearest 10: ______
- Estimate 31 − 76 by rounding each number to the nearest 10: ______