Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 75 + 26 by rounding each number to the nearest 10: ______
- Estimate 68 + 33 by rounding each number to the nearest 10: ______
- Estimate 69 + 58 by rounding each number to the nearest 10: ______
- Estimate 89 + 25 by rounding each number to the nearest 10: ______
- Estimate 30 − 47 by rounding each number to the nearest 10: ______
- Estimate 70 − 80 by rounding each number to the nearest 10: ______
- Estimate 62 − 45 by rounding each number to the nearest 10: ______
- Estimate 44 − 69 by rounding each number to the nearest 10: ______
- Estimate 63 + 36 by rounding each number to the nearest 10: ______
- Estimate 55 − 76 by rounding each number to the nearest 10: ______
- Estimate 27 + 70 by rounding each number to the nearest 10: ______
- Estimate 28 + 65 by rounding each number to the nearest 10: ______
- Estimate 47 + 49 by rounding each number to the nearest 10: ______
- Estimate 25 − 76 by rounding each number to the nearest 10: ______
- Estimate 24 − 55 by rounding each number to the nearest 10: ______
- Estimate 24 − 28 by rounding each number to the nearest 10: ______
- Estimate 71 − 32 by rounding each number to the nearest 10: ______
- Estimate 45 − 43 by rounding each number to the nearest 10: ______
- Estimate 76 − 80 by rounding each number to the nearest 10: ______
- Estimate 34 + 59 by rounding each number to the nearest 10: ______