Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 37 + 37 by rounding each number to the nearest 10: ______
- Estimate 28 + 28 by rounding each number to the nearest 10: ______
- Estimate 53 − 43 by rounding each number to the nearest 10: ______
- Estimate 33 + 56 by rounding each number to the nearest 10: ______
- Estimate 75 − 79 by rounding each number to the nearest 10: ______
- Estimate 27 − 37 by rounding each number to the nearest 10: ______
- Estimate 74 + 21 by rounding each number to the nearest 10: ______
- Estimate 51 + 36 by rounding each number to the nearest 10: ______
- Estimate 72 − 66 by rounding each number to the nearest 10: ______
- Estimate 76 − 81 by rounding each number to the nearest 10: ______
- Estimate 42 + 85 by rounding each number to the nearest 10: ______
- Estimate 34 + 43 by rounding each number to the nearest 10: ______
- Estimate 70 + 78 by rounding each number to the nearest 10: ______
- Estimate 32 − 37 by rounding each number to the nearest 10: ______
- Estimate 51 + 51 by rounding each number to the nearest 10: ______
- Estimate 24 − 41 by rounding each number to the nearest 10: ______
- Estimate 69 + 79 by rounding each number to the nearest 10: ______
- Estimate 35 + 77 by rounding each number to the nearest 10: ______
- Estimate 75 − 74 by rounding each number to the nearest 10: ______
- Estimate 75 + 83 by rounding each number to the nearest 10: ______