Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 87 + 75 by rounding each number to the nearest 10: ______
- Estimate 65 + 62 by rounding each number to the nearest 10: ______
- Estimate 24 + 43 by rounding each number to the nearest 10: ______
- Estimate 84 + 30 by rounding each number to the nearest 10: ______
- Estimate 74 − 79 by rounding each number to the nearest 10: ______
- Estimate 57 + 56 by rounding each number to the nearest 10: ______
- Estimate 74 − 63 by rounding each number to the nearest 10: ______
- Estimate 89 + 44 by rounding each number to the nearest 10: ______
- Estimate 33 − 73 by rounding each number to the nearest 10: ______
- Estimate 42 + 62 by rounding each number to the nearest 10: ______
- Estimate 44 + 65 by rounding each number to the nearest 10: ______
- Estimate 71 − 34 by rounding each number to the nearest 10: ______
- Estimate 26 + 74 by rounding each number to the nearest 10: ______
- Estimate 27 + 52 by rounding each number to the nearest 10: ______
- Estimate 77 + 68 by rounding each number to the nearest 10: ______
- Estimate 73 − 62 by rounding each number to the nearest 10: ______
- Estimate 75 + 87 by rounding each number to the nearest 10: ______
- Estimate 80 − 27 by rounding each number to the nearest 10: ______
- Estimate 51 + 58 by rounding each number to the nearest 10: ______
- Estimate 34 − 34 by rounding each number to the nearest 10: ______