Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 − 80 by rounding each number to the nearest 10: ______
- Estimate 32 − 48 by rounding each number to the nearest 10: ______
- Estimate 86 − 89 by rounding each number to the nearest 10: ______
- Estimate 72 + 40 by rounding each number to the nearest 10: ______
- Estimate 76 − 51 by rounding each number to the nearest 10: ______
- Estimate 64 + 65 by rounding each number to the nearest 10: ______
- Estimate 82 − 40 by rounding each number to the nearest 10: ______
- Estimate 49 − 61 by rounding each number to the nearest 10: ______
- Estimate 21 + 75 by rounding each number to the nearest 10: ______
- Estimate 74 − 86 by rounding each number to the nearest 10: ______
- Estimate 69 − 56 by rounding each number to the nearest 10: ______
- Estimate 27 − 25 by rounding each number to the nearest 10: ______
- Estimate 57 − 41 by rounding each number to the nearest 10: ______
- Estimate 45 − 21 by rounding each number to the nearest 10: ______
- Estimate 50 − 87 by rounding each number to the nearest 10: ______
- Estimate 48 − 60 by rounding each number to the nearest 10: ______
- Estimate 74 + 79 by rounding each number to the nearest 10: ______
- Estimate 70 + 64 by rounding each number to the nearest 10: ______
- Estimate 32 − 21 by rounding each number to the nearest 10: ______
- Estimate 45 − 58 by rounding each number to the nearest 10: ______