Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 − 31 by rounding each number to the nearest 10: ______
- Estimate 82 − 68 by rounding each number to the nearest 10: ______
- Estimate 32 + 51 by rounding each number to the nearest 10: ______
- Estimate 71 − 31 by rounding each number to the nearest 10: ______
- Estimate 80 − 86 by rounding each number to the nearest 10: ______
- Estimate 63 + 26 by rounding each number to the nearest 10: ______
- Estimate 43 − 79 by rounding each number to the nearest 10: ______
- Estimate 41 − 74 by rounding each number to the nearest 10: ______
- Estimate 32 − 48 by rounding each number to the nearest 10: ______
- Estimate 88 − 87 by rounding each number to the nearest 10: ______
- Estimate 74 + 85 by rounding each number to the nearest 10: ______
- Estimate 23 + 32 by rounding each number to the nearest 10: ______
- Estimate 33 + 24 by rounding each number to the nearest 10: ______
- Estimate 28 − 89 by rounding each number to the nearest 10: ______
- Estimate 54 + 49 by rounding each number to the nearest 10: ______
- Estimate 32 − 41 by rounding each number to the nearest 10: ______
- Estimate 29 + 55 by rounding each number to the nearest 10: ______
- Estimate 39 + 44 by rounding each number to the nearest 10: ______
- Estimate 51 − 25 by rounding each number to the nearest 10: ______
- Estimate 25 − 81 by rounding each number to the nearest 10: ______