Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 43 + 82 by rounding each number to the nearest 10: ______
- Estimate 69 + 89 by rounding each number to the nearest 10: ______
- Estimate 52 − 61 by rounding each number to the nearest 10: ______
- Estimate 45 + 73 by rounding each number to the nearest 10: ______
- Estimate 87 − 27 by rounding each number to the nearest 10: ______
- Estimate 56 + 51 by rounding each number to the nearest 10: ______
- Estimate 47 − 74 by rounding each number to the nearest 10: ______
- Estimate 48 − 28 by rounding each number to the nearest 10: ______
- Estimate 25 − 48 by rounding each number to the nearest 10: ______
- Estimate 51 − 54 by rounding each number to the nearest 10: ______
- Estimate 56 − 34 by rounding each number to the nearest 10: ______
- Estimate 88 + 46 by rounding each number to the nearest 10: ______
- Estimate 52 + 39 by rounding each number to the nearest 10: ______
- Estimate 41 + 64 by rounding each number to the nearest 10: ______
- Estimate 41 − 60 by rounding each number to the nearest 10: ______
- Estimate 48 − 64 by rounding each number to the nearest 10: ______
- Estimate 67 − 72 by rounding each number to the nearest 10: ______
- Estimate 64 + 42 by rounding each number to the nearest 10: ______
- Estimate 28 − 79 by rounding each number to the nearest 10: ______
- Estimate 75 − 82 by rounding each number to the nearest 10: ______