Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 83 − 62 by rounding each number to the nearest 10: ______
- Estimate 23 + 64 by rounding each number to the nearest 10: ______
- Estimate 69 + 67 by rounding each number to the nearest 10: ______
- Estimate 84 − 58 by rounding each number to the nearest 10: ______
- Estimate 70 + 38 by rounding each number to the nearest 10: ______
- Estimate 36 + 86 by rounding each number to the nearest 10: ______
- Estimate 86 − 82 by rounding each number to the nearest 10: ______
- Estimate 87 + 88 by rounding each number to the nearest 10: ______
- Estimate 52 + 37 by rounding each number to the nearest 10: ______
- Estimate 78 − 64 by rounding each number to the nearest 10: ______
- Estimate 84 + 57 by rounding each number to the nearest 10: ______
- Estimate 67 − 83 by rounding each number to the nearest 10: ______
- Estimate 85 + 46 by rounding each number to the nearest 10: ______
- Estimate 44 + 71 by rounding each number to the nearest 10: ______
- Estimate 58 − 79 by rounding each number to the nearest 10: ______
- Estimate 75 − 46 by rounding each number to the nearest 10: ______
- Estimate 40 + 59 by rounding each number to the nearest 10: ______
- Estimate 73 + 36 by rounding each number to the nearest 10: ______
- Estimate 32 + 26 by rounding each number to the nearest 10: ______
- Estimate 46 + 44 by rounding each number to the nearest 10: ______