Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 60 + 58 by rounding each number to the nearest 10: ______
- Estimate 36 − 70 by rounding each number to the nearest 10: ______
- Estimate 63 − 69 by rounding each number to the nearest 10: ______
- Estimate 81 + 63 by rounding each number to the nearest 10: ______
- Estimate 79 − 65 by rounding each number to the nearest 10: ______
- Estimate 23 − 63 by rounding each number to the nearest 10: ______
- Estimate 80 + 72 by rounding each number to the nearest 10: ______
- Estimate 62 − 75 by rounding each number to the nearest 10: ______
- Estimate 23 − 35 by rounding each number to the nearest 10: ______
- Estimate 82 + 51 by rounding each number to the nearest 10: ______
- Estimate 39 − 32 by rounding each number to the nearest 10: ______
- Estimate 47 − 88 by rounding each number to the nearest 10: ______
- Estimate 40 + 86 by rounding each number to the nearest 10: ______
- Estimate 50 + 30 by rounding each number to the nearest 10: ______
- Estimate 69 + 88 by rounding each number to the nearest 10: ______
- Estimate 40 − 24 by rounding each number to the nearest 10: ______
- Estimate 55 + 72 by rounding each number to the nearest 10: ______
- Estimate 73 + 83 by rounding each number to the nearest 10: ______
- Estimate 36 + 43 by rounding each number to the nearest 10: ______
- Estimate 34 − 57 by rounding each number to the nearest 10: ______