Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 − 78 by rounding each number to the nearest 10: ______
- Estimate 36 − 77 by rounding each number to the nearest 10: ______
- Estimate 50 + 63 by rounding each number to the nearest 10: ______
- Estimate 26 − 83 by rounding each number to the nearest 10: ______
- Estimate 80 − 69 by rounding each number to the nearest 10: ______
- Estimate 68 − 31 by rounding each number to the nearest 10: ______
- Estimate 46 − 26 by rounding each number to the nearest 10: ______
- Estimate 78 + 55 by rounding each number to the nearest 10: ______
- Estimate 60 + 86 by rounding each number to the nearest 10: ______
- Estimate 70 − 45 by rounding each number to the nearest 10: ______
- Estimate 70 + 27 by rounding each number to the nearest 10: ______
- Estimate 69 − 70 by rounding each number to the nearest 10: ______
- Estimate 82 + 45 by rounding each number to the nearest 10: ______
- Estimate 30 − 39 by rounding each number to the nearest 10: ______
- Estimate 58 − 50 by rounding each number to the nearest 10: ______
- Estimate 41 − 47 by rounding each number to the nearest 10: ______
- Estimate 27 − 71 by rounding each number to the nearest 10: ______
- Estimate 80 + 81 by rounding each number to the nearest 10: ______
- Estimate 36 + 69 by rounding each number to the nearest 10: ______
- Estimate 44 − 70 by rounding each number to the nearest 10: ______