Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 + 31 by rounding each number to the nearest 10: ______
- Estimate 48 + 31 by rounding each number to the nearest 10: ______
- Estimate 56 − 46 by rounding each number to the nearest 10: ______
- Estimate 72 + 58 by rounding each number to the nearest 10: ______
- Estimate 49 + 79 by rounding each number to the nearest 10: ______
- Estimate 24 − 24 by rounding each number to the nearest 10: ______
- Estimate 64 − 44 by rounding each number to the nearest 10: ______
- Estimate 43 + 35 by rounding each number to the nearest 10: ______
- Estimate 44 + 80 by rounding each number to the nearest 10: ______
- Estimate 55 + 36 by rounding each number to the nearest 10: ______
- Estimate 64 + 86 by rounding each number to the nearest 10: ______
- Estimate 31 + 44 by rounding each number to the nearest 10: ______
- Estimate 89 − 81 by rounding each number to the nearest 10: ______
- Estimate 69 + 74 by rounding each number to the nearest 10: ______
- Estimate 63 − 78 by rounding each number to the nearest 10: ______
- Estimate 65 + 63 by rounding each number to the nearest 10: ______
- Estimate 26 − 29 by rounding each number to the nearest 10: ______
- Estimate 25 − 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 82 by rounding each number to the nearest 10: ______
- Estimate 85 + 51 by rounding each number to the nearest 10: ______