Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 73 − 43 by rounding each number to the nearest 10: ______
- Estimate 32 + 68 by rounding each number to the nearest 10: ______
- Estimate 79 − 85 by rounding each number to the nearest 10: ______
- Estimate 56 + 58 by rounding each number to the nearest 10: ______
- Estimate 29 + 46 by rounding each number to the nearest 10: ______
- Estimate 52 − 61 by rounding each number to the nearest 10: ______
- Estimate 24 + 76 by rounding each number to the nearest 10: ______
- Estimate 23 + 45 by rounding each number to the nearest 10: ______
- Estimate 36 + 72 by rounding each number to the nearest 10: ______
- Estimate 58 − 39 by rounding each number to the nearest 10: ______
- Estimate 35 − 38 by rounding each number to the nearest 10: ______
- Estimate 75 − 83 by rounding each number to the nearest 10: ______
- Estimate 71 − 74 by rounding each number to the nearest 10: ______
- Estimate 34 + 58 by rounding each number to the nearest 10: ______
- Estimate 57 + 49 by rounding each number to the nearest 10: ______
- Estimate 69 + 50 by rounding each number to the nearest 10: ______
- Estimate 86 + 77 by rounding each number to the nearest 10: ______
- Estimate 66 + 49 by rounding each number to the nearest 10: ______
- Estimate 78 − 32 by rounding each number to the nearest 10: ______
- Estimate 78 + 88 by rounding each number to the nearest 10: ______