Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 − 66 by rounding each number to the nearest 10: ______
- Estimate 60 + 36 by rounding each number to the nearest 10: ______
- Estimate 57 + 88 by rounding each number to the nearest 10: ______
- Estimate 70 + 81 by rounding each number to the nearest 10: ______
- Estimate 23 + 85 by rounding each number to the nearest 10: ______
- Estimate 76 + 25 by rounding each number to the nearest 10: ______
- Estimate 31 + 24 by rounding each number to the nearest 10: ______
- Estimate 70 + 44 by rounding each number to the nearest 10: ______
- Estimate 83 + 79 by rounding each number to the nearest 10: ______
- Estimate 84 + 21 by rounding each number to the nearest 10: ______
- Estimate 68 + 45 by rounding each number to the nearest 10: ______
- Estimate 35 − 33 by rounding each number to the nearest 10: ______
- Estimate 47 + 84 by rounding each number to the nearest 10: ______
- Estimate 88 + 25 by rounding each number to the nearest 10: ______
- Estimate 53 − 81 by rounding each number to the nearest 10: ______
- Estimate 89 − 21 by rounding each number to the nearest 10: ______
- Estimate 47 − 76 by rounding each number to the nearest 10: ______
- Estimate 83 + 41 by rounding each number to the nearest 10: ______
- Estimate 48 − 27 by rounding each number to the nearest 10: ______
- Estimate 70 − 31 by rounding each number to the nearest 10: ______