Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 37 − 44 by rounding each number to the nearest 10: ______
- Estimate 42 − 32 by rounding each number to the nearest 10: ______
- Estimate 41 + 63 by rounding each number to the nearest 10: ______
- Estimate 53 − 84 by rounding each number to the nearest 10: ______
- Estimate 76 + 72 by rounding each number to the nearest 10: ______
- Estimate 35 − 26 by rounding each number to the nearest 10: ______
- Estimate 63 + 28 by rounding each number to the nearest 10: ______
- Estimate 56 − 43 by rounding each number to the nearest 10: ______
- Estimate 41 − 36 by rounding each number to the nearest 10: ______
- Estimate 68 + 74 by rounding each number to the nearest 10: ______
- Estimate 42 − 71 by rounding each number to the nearest 10: ______
- Estimate 40 − 70 by rounding each number to the nearest 10: ______
- Estimate 41 − 33 by rounding each number to the nearest 10: ______
- Estimate 38 − 67 by rounding each number to the nearest 10: ______
- Estimate 49 + 44 by rounding each number to the nearest 10: ______
- Estimate 51 − 24 by rounding each number to the nearest 10: ______
- Estimate 57 + 73 by rounding each number to the nearest 10: ______
- Estimate 38 − 42 by rounding each number to the nearest 10: ______
- Estimate 83 + 23 by rounding each number to the nearest 10: ______
- Estimate 82 − 83 by rounding each number to the nearest 10: ______