Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 − 59 by rounding each number to the nearest 10: ______
- Estimate 54 − 56 by rounding each number to the nearest 10: ______
- Estimate 70 − 51 by rounding each number to the nearest 10: ______
- Estimate 82 + 36 by rounding each number to the nearest 10: ______
- Estimate 83 + 84 by rounding each number to the nearest 10: ______
- Estimate 51 + 29 by rounding each number to the nearest 10: ______
- Estimate 59 − 42 by rounding each number to the nearest 10: ______
- Estimate 67 − 41 by rounding each number to the nearest 10: ______
- Estimate 52 + 85 by rounding each number to the nearest 10: ______
- Estimate 78 − 29 by rounding each number to the nearest 10: ______
- Estimate 67 − 42 by rounding each number to the nearest 10: ______
- Estimate 62 + 42 by rounding each number to the nearest 10: ______
- Estimate 89 + 59 by rounding each number to the nearest 10: ______
- Estimate 85 + 75 by rounding each number to the nearest 10: ______
- Estimate 85 − 32 by rounding each number to the nearest 10: ______
- Estimate 48 + 23 by rounding each number to the nearest 10: ______
- Estimate 81 + 22 by rounding each number to the nearest 10: ______
- Estimate 76 + 72 by rounding each number to the nearest 10: ______
- Estimate 44 − 36 by rounding each number to the nearest 10: ______
- Estimate 81 + 40 by rounding each number to the nearest 10: ______