Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 34 + 34 by rounding each number to the nearest 10: ______
- Estimate 49 − 27 by rounding each number to the nearest 10: ______
- Estimate 84 − 26 by rounding each number to the nearest 10: ______
- Estimate 49 + 31 by rounding each number to the nearest 10: ______
- Estimate 37 − 75 by rounding each number to the nearest 10: ______
- Estimate 24 + 79 by rounding each number to the nearest 10: ______
- Estimate 38 + 41 by rounding each number to the nearest 10: ______
- Estimate 81 − 51 by rounding each number to the nearest 10: ______
- Estimate 67 + 34 by rounding each number to the nearest 10: ______
- Estimate 21 + 74 by rounding each number to the nearest 10: ______
- Estimate 69 − 54 by rounding each number to the nearest 10: ______
- Estimate 66 − 51 by rounding each number to the nearest 10: ______
- Estimate 56 − 74 by rounding each number to the nearest 10: ______
- Estimate 40 − 71 by rounding each number to the nearest 10: ______
- Estimate 45 + 78 by rounding each number to the nearest 10: ______
- Estimate 62 + 55 by rounding each number to the nearest 10: ______
- Estimate 62 + 86 by rounding each number to the nearest 10: ______
- Estimate 25 + 29 by rounding each number to the nearest 10: ______
- Estimate 66 − 23 by rounding each number to the nearest 10: ______
- Estimate 44 − 31 by rounding each number to the nearest 10: ______