Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 60 − 78 by rounding each number to the nearest 10: ______
- Estimate 35 + 72 by rounding each number to the nearest 10: ______
- Estimate 54 − 43 by rounding each number to the nearest 10: ______
- Estimate 88 + 21 by rounding each number to the nearest 10: ______
- Estimate 25 − 85 by rounding each number to the nearest 10: ______
- Estimate 26 − 39 by rounding each number to the nearest 10: ______
- Estimate 63 − 78 by rounding each number to the nearest 10: ______
- Estimate 26 − 43 by rounding each number to the nearest 10: ______
- Estimate 49 − 63 by rounding each number to the nearest 10: ______
- Estimate 61 − 43 by rounding each number to the nearest 10: ______
- Estimate 34 − 73 by rounding each number to the nearest 10: ______
- Estimate 41 − 71 by rounding each number to the nearest 10: ______
- Estimate 49 + 43 by rounding each number to the nearest 10: ______
- Estimate 87 − 23 by rounding each number to the nearest 10: ______
- Estimate 37 + 44 by rounding each number to the nearest 10: ______
- Estimate 22 − 86 by rounding each number to the nearest 10: ______
- Estimate 38 − 62 by rounding each number to the nearest 10: ______
- Estimate 28 − 41 by rounding each number to the nearest 10: ______
- Estimate 55 + 53 by rounding each number to the nearest 10: ______
- Estimate 32 + 28 by rounding each number to the nearest 10: ______