Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 73 − 57 by rounding each number to the nearest 10: ______
- Estimate 37 − 51 by rounding each number to the nearest 10: ______
- Estimate 84 + 75 by rounding each number to the nearest 10: ______
- Estimate 59 + 47 by rounding each number to the nearest 10: ______
- Estimate 84 − 68 by rounding each number to the nearest 10: ______
- Estimate 66 + 22 by rounding each number to the nearest 10: ______
- Estimate 25 − 55 by rounding each number to the nearest 10: ______
- Estimate 63 − 71 by rounding each number to the nearest 10: ______
- Estimate 44 + 62 by rounding each number to the nearest 10: ______
- Estimate 73 − 69 by rounding each number to the nearest 10: ______
- Estimate 36 + 56 by rounding each number to the nearest 10: ______
- Estimate 71 + 39 by rounding each number to the nearest 10: ______
- Estimate 27 + 48 by rounding each number to the nearest 10: ______
- Estimate 80 − 85 by rounding each number to the nearest 10: ______
- Estimate 75 − 41 by rounding each number to the nearest 10: ______
- Estimate 34 + 39 by rounding each number to the nearest 10: ______
- Estimate 25 + 73 by rounding each number to the nearest 10: ______
- Estimate 37 − 30 by rounding each number to the nearest 10: ______
- Estimate 43 + 47 by rounding each number to the nearest 10: ______
- Estimate 64 − 29 by rounding each number to the nearest 10: ______