Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 + 27 by rounding each number to the nearest 10: ______
- Estimate 45 + 33 by rounding each number to the nearest 10: ______
- Estimate 66 − 48 by rounding each number to the nearest 10: ______
- Estimate 70 − 88 by rounding each number to the nearest 10: ______
- Estimate 82 + 30 by rounding each number to the nearest 10: ______
- Estimate 45 − 56 by rounding each number to the nearest 10: ______
- Estimate 25 + 31 by rounding each number to the nearest 10: ______
- Estimate 29 + 54 by rounding each number to the nearest 10: ______
- Estimate 25 + 75 by rounding each number to the nearest 10: ______
- Estimate 69 + 23 by rounding each number to the nearest 10: ______
- Estimate 80 − 49 by rounding each number to the nearest 10: ______
- Estimate 85 − 24 by rounding each number to the nearest 10: ______
- Estimate 54 − 67 by rounding each number to the nearest 10: ______
- Estimate 71 − 85 by rounding each number to the nearest 10: ______
- Estimate 57 − 29 by rounding each number to the nearest 10: ______
- Estimate 25 − 51 by rounding each number to the nearest 10: ______
- Estimate 89 + 74 by rounding each number to the nearest 10: ______
- Estimate 75 + 84 by rounding each number to the nearest 10: ______
- Estimate 29 − 83 by rounding each number to the nearest 10: ______
- Estimate 42 − 48 by rounding each number to the nearest 10: ______