Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 33 − 24 by rounding each number to the nearest 10: ______
- Estimate 32 + 89 by rounding each number to the nearest 10: ______
- Estimate 51 + 89 by rounding each number to the nearest 10: ______
- Estimate 85 + 33 by rounding each number to the nearest 10: ______
- Estimate 24 + 45 by rounding each number to the nearest 10: ______
- Estimate 53 − 65 by rounding each number to the nearest 10: ______
- Estimate 63 + 55 by rounding each number to the nearest 10: ______
- Estimate 72 + 87 by rounding each number to the nearest 10: ______
- Estimate 83 − 28 by rounding each number to the nearest 10: ______
- Estimate 51 − 51 by rounding each number to the nearest 10: ______
- Estimate 30 + 32 by rounding each number to the nearest 10: ______
- Estimate 40 + 40 by rounding each number to the nearest 10: ______
- Estimate 89 − 80 by rounding each number to the nearest 10: ______
- Estimate 76 + 53 by rounding each number to the nearest 10: ______
- Estimate 83 + 45 by rounding each number to the nearest 10: ______
- Estimate 74 + 70 by rounding each number to the nearest 10: ______
- Estimate 37 + 56 by rounding each number to the nearest 10: ______
- Estimate 76 − 23 by rounding each number to the nearest 10: ______
- Estimate 45 − 43 by rounding each number to the nearest 10: ______
- Estimate 45 − 61 by rounding each number to the nearest 10: ______