Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 24 + 41 by rounding each number to the nearest 10: ______
- Estimate 61 − 50 by rounding each number to the nearest 10: ______
- Estimate 30 + 33 by rounding each number to the nearest 10: ______
- Estimate 85 + 56 by rounding each number to the nearest 10: ______
- Estimate 36 − 82 by rounding each number to the nearest 10: ______
- Estimate 80 − 46 by rounding each number to the nearest 10: ______
- Estimate 32 − 48 by rounding each number to the nearest 10: ______
- Estimate 35 + 84 by rounding each number to the nearest 10: ______
- Estimate 79 + 25 by rounding each number to the nearest 10: ______
- Estimate 73 + 35 by rounding each number to the nearest 10: ______
- Estimate 88 + 72 by rounding each number to the nearest 10: ______
- Estimate 67 − 29 by rounding each number to the nearest 10: ______
- Estimate 26 − 81 by rounding each number to the nearest 10: ______
- Estimate 80 + 76 by rounding each number to the nearest 10: ______
- Estimate 82 + 24 by rounding each number to the nearest 10: ______
- Estimate 77 − 36 by rounding each number to the nearest 10: ______
- Estimate 45 + 70 by rounding each number to the nearest 10: ______
- Estimate 33 − 42 by rounding each number to the nearest 10: ______
- Estimate 87 − 42 by rounding each number to the nearest 10: ______
- Estimate 31 − 37 by rounding each number to the nearest 10: ______