Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 57 by rounding each number to the nearest 10: ______
- Estimate 30 − 51 by rounding each number to the nearest 10: ______
- Estimate 80 + 89 by rounding each number to the nearest 10: ______
- Estimate 45 − 54 by rounding each number to the nearest 10: ______
- Estimate 57 − 66 by rounding each number to the nearest 10: ______
- Estimate 42 + 69 by rounding each number to the nearest 10: ______
- Estimate 84 + 56 by rounding each number to the nearest 10: ______
- Estimate 77 − 36 by rounding each number to the nearest 10: ______
- Estimate 29 − 78 by rounding each number to the nearest 10: ______
- Estimate 22 − 44 by rounding each number to the nearest 10: ______
- Estimate 79 − 44 by rounding each number to the nearest 10: ______
- Estimate 40 − 83 by rounding each number to the nearest 10: ______
- Estimate 69 + 77 by rounding each number to the nearest 10: ______
- Estimate 67 − 32 by rounding each number to the nearest 10: ______
- Estimate 78 + 71 by rounding each number to the nearest 10: ______
- Estimate 77 − 71 by rounding each number to the nearest 10: ______
- Estimate 50 + 53 by rounding each number to the nearest 10: ______
- Estimate 58 + 65 by rounding each number to the nearest 10: ______
- Estimate 78 − 70 by rounding each number to the nearest 10: ______
- Estimate 53 − 71 by rounding each number to the nearest 10: ______