Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 37 − 34 by rounding each number to the nearest 10: ______
- Estimate 67 + 68 by rounding each number to the nearest 10: ______
- Estimate 58 − 81 by rounding each number to the nearest 10: ______
- Estimate 84 − 75 by rounding each number to the nearest 10: ______
- Estimate 47 − 52 by rounding each number to the nearest 10: ______
- Estimate 74 + 29 by rounding each number to the nearest 10: ______
- Estimate 67 − 80 by rounding each number to the nearest 10: ______
- Estimate 30 + 66 by rounding each number to the nearest 10: ______
- Estimate 29 − 30 by rounding each number to the nearest 10: ______
- Estimate 78 + 52 by rounding each number to the nearest 10: ______
- Estimate 21 + 56 by rounding each number to the nearest 10: ______
- Estimate 68 + 87 by rounding each number to the nearest 10: ______
- Estimate 68 + 33 by rounding each number to the nearest 10: ______
- Estimate 55 + 63 by rounding each number to the nearest 10: ______
- Estimate 35 − 80 by rounding each number to the nearest 10: ______
- Estimate 28 + 78 by rounding each number to the nearest 10: ______
- Estimate 60 − 72 by rounding each number to the nearest 10: ______
- Estimate 55 − 21 by rounding each number to the nearest 10: ______
- Estimate 42 + 29 by rounding each number to the nearest 10: ______
- Estimate 88 + 86 by rounding each number to the nearest 10: ______