Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 33 + 37 by rounding each number to the nearest 10: ______
- Estimate 23 + 73 by rounding each number to the nearest 10: ______
- Estimate 24 + 39 by rounding each number to the nearest 10: ______
- Estimate 87 + 72 by rounding each number to the nearest 10: ______
- Estimate 37 + 39 by rounding each number to the nearest 10: ______
- Estimate 84 − 59 by rounding each number to the nearest 10: ______
- Estimate 31 + 70 by rounding each number to the nearest 10: ______
- Estimate 62 + 77 by rounding each number to the nearest 10: ______
- Estimate 84 − 27 by rounding each number to the nearest 10: ______
- Estimate 83 + 74 by rounding each number to the nearest 10: ______
- Estimate 22 − 54 by rounding each number to the nearest 10: ______
- Estimate 32 + 84 by rounding each number to the nearest 10: ______
- Estimate 63 + 69 by rounding each number to the nearest 10: ______
- Estimate 33 + 53 by rounding each number to the nearest 10: ______
- Estimate 74 − 83 by rounding each number to the nearest 10: ______
- Estimate 85 + 75 by rounding each number to the nearest 10: ______
- Estimate 24 + 51 by rounding each number to the nearest 10: ______
- Estimate 59 + 22 by rounding each number to the nearest 10: ______
- Estimate 44 − 66 by rounding each number to the nearest 10: ______
- Estimate 54 − 26 by rounding each number to the nearest 10: ______