Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 55 + 45 by rounding each number to the nearest 10: ______
- Estimate 52 − 24 by rounding each number to the nearest 10: ______
- Estimate 76 − 80 by rounding each number to the nearest 10: ______
- Estimate 37 − 80 by rounding each number to the nearest 10: ______
- Estimate 82 − 88 by rounding each number to the nearest 10: ______
- Estimate 53 − 64 by rounding each number to the nearest 10: ______
- Estimate 84 − 78 by rounding each number to the nearest 10: ______
- Estimate 47 + 50 by rounding each number to the nearest 10: ______
- Estimate 43 − 38 by rounding each number to the nearest 10: ______
- Estimate 65 + 34 by rounding each number to the nearest 10: ______
- Estimate 88 − 73 by rounding each number to the nearest 10: ______
- Estimate 69 + 73 by rounding each number to the nearest 10: ______
- Estimate 69 + 44 by rounding each number to the nearest 10: ______
- Estimate 65 + 54 by rounding each number to the nearest 10: ______
- Estimate 39 − 64 by rounding each number to the nearest 10: ______
- Estimate 35 + 30 by rounding each number to the nearest 10: ______
- Estimate 82 + 31 by rounding each number to the nearest 10: ______
- Estimate 62 + 35 by rounding each number to the nearest 10: ______
- Estimate 56 + 68 by rounding each number to the nearest 10: ______
- Estimate 48 − 29 by rounding each number to the nearest 10: ______