Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 66 by rounding each number to the nearest 10: ______
- Estimate 72 + 71 by rounding each number to the nearest 10: ______
- Estimate 47 − 86 by rounding each number to the nearest 10: ______
- Estimate 27 + 39 by rounding each number to the nearest 10: ______
- Estimate 59 + 30 by rounding each number to the nearest 10: ______
- Estimate 45 − 55 by rounding each number to the nearest 10: ______
- Estimate 85 − 82 by rounding each number to the nearest 10: ______
- Estimate 72 − 25 by rounding each number to the nearest 10: ______
- Estimate 30 − 30 by rounding each number to the nearest 10: ______
- Estimate 80 + 70 by rounding each number to the nearest 10: ______
- Estimate 64 + 87 by rounding each number to the nearest 10: ______
- Estimate 40 + 70 by rounding each number to the nearest 10: ______
- Estimate 71 + 24 by rounding each number to the nearest 10: ______
- Estimate 69 + 43 by rounding each number to the nearest 10: ______
- Estimate 23 + 37 by rounding each number to the nearest 10: ______
- Estimate 43 + 71 by rounding each number to the nearest 10: ______
- Estimate 26 + 44 by rounding each number to the nearest 10: ______
- Estimate 64 − 55 by rounding each number to the nearest 10: ______
- Estimate 54 − 72 by rounding each number to the nearest 10: ______
- Estimate 60 − 51 by rounding each number to the nearest 10: ______