Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 31 by rounding each number to the nearest 10: ______
- Estimate 22 − 50 by rounding each number to the nearest 10: ______
- Estimate 83 − 42 by rounding each number to the nearest 10: ______
- Estimate 35 − 70 by rounding each number to the nearest 10: ______
- Estimate 83 + 71 by rounding each number to the nearest 10: ______
- Estimate 38 + 78 by rounding each number to the nearest 10: ______
- Estimate 89 + 71 by rounding each number to the nearest 10: ______
- Estimate 35 + 32 by rounding each number to the nearest 10: ______
- Estimate 83 − 29 by rounding each number to the nearest 10: ______
- Estimate 77 + 68 by rounding each number to the nearest 10: ______
- Estimate 75 + 26 by rounding each number to the nearest 10: ______
- Estimate 30 + 62 by rounding each number to the nearest 10: ______
- Estimate 87 + 24 by rounding each number to the nearest 10: ______
- Estimate 61 − 85 by rounding each number to the nearest 10: ______
- Estimate 29 − 86 by rounding each number to the nearest 10: ______
- Estimate 70 − 43 by rounding each number to the nearest 10: ______
- Estimate 47 − 53 by rounding each number to the nearest 10: ______
- Estimate 42 − 61 by rounding each number to the nearest 10: ______
- Estimate 57 + 45 by rounding each number to the nearest 10: ______
- Estimate 42 + 68 by rounding each number to the nearest 10: ______