Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 84 + 31 by rounding each number to the nearest 10: ______
- Estimate 46 − 46 by rounding each number to the nearest 10: ______
- Estimate 78 + 59 by rounding each number to the nearest 10: ______
- Estimate 35 − 27 by rounding each number to the nearest 10: ______
- Estimate 36 − 28 by rounding each number to the nearest 10: ______
- Estimate 43 − 40 by rounding each number to the nearest 10: ______
- Estimate 69 − 26 by rounding each number to the nearest 10: ______
- Estimate 40 − 65 by rounding each number to the nearest 10: ______
- Estimate 44 − 42 by rounding each number to the nearest 10: ______
- Estimate 66 + 57 by rounding each number to the nearest 10: ______
- Estimate 81 + 80 by rounding each number to the nearest 10: ______
- Estimate 61 − 88 by rounding each number to the nearest 10: ______
- Estimate 87 − 34 by rounding each number to the nearest 10: ______
- Estimate 33 + 62 by rounding each number to the nearest 10: ______
- Estimate 78 − 53 by rounding each number to the nearest 10: ______
- Estimate 67 + 86 by rounding each number to the nearest 10: ______
- Estimate 48 − 53 by rounding each number to the nearest 10: ______
- Estimate 83 − 77 by rounding each number to the nearest 10: ______
- Estimate 53 + 70 by rounding each number to the nearest 10: ______
- Estimate 70 − 34 by rounding each number to the nearest 10: ______