Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 44 − 78 by rounding each number to the nearest 10: ______
- Estimate 65 − 24 by rounding each number to the nearest 10: ______
- Estimate 56 − 27 by rounding each number to the nearest 10: ______
- Estimate 36 − 72 by rounding each number to the nearest 10: ______
- Estimate 67 − 69 by rounding each number to the nearest 10: ______
- Estimate 49 + 30 by rounding each number to the nearest 10: ______
- Estimate 30 − 84 by rounding each number to the nearest 10: ______
- Estimate 66 − 32 by rounding each number to the nearest 10: ______
- Estimate 47 − 52 by rounding each number to the nearest 10: ______
- Estimate 36 + 64 by rounding each number to the nearest 10: ______
- Estimate 77 − 43 by rounding each number to the nearest 10: ______
- Estimate 70 + 24 by rounding each number to the nearest 10: ______
- Estimate 54 − 33 by rounding each number to the nearest 10: ______
- Estimate 63 − 68 by rounding each number to the nearest 10: ______
- Estimate 84 − 85 by rounding each number to the nearest 10: ______
- Estimate 75 + 61 by rounding each number to the nearest 10: ______
- Estimate 43 − 68 by rounding each number to the nearest 10: ______
- Estimate 56 − 54 by rounding each number to the nearest 10: ______
- Estimate 65 + 35 by rounding each number to the nearest 10: ______
- Estimate 52 + 29 by rounding each number to the nearest 10: ______