Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 + 67 by rounding each number to the nearest 10: ______
- Estimate 39 − 45 by rounding each number to the nearest 10: ______
- Estimate 76 − 57 by rounding each number to the nearest 10: ______
- Estimate 76 + 84 by rounding each number to the nearest 10: ______
- Estimate 64 − 31 by rounding each number to the nearest 10: ______
- Estimate 41 − 30 by rounding each number to the nearest 10: ______
- Estimate 85 − 67 by rounding each number to the nearest 10: ______
- Estimate 65 − 61 by rounding each number to the nearest 10: ______
- Estimate 50 + 63 by rounding each number to the nearest 10: ______
- Estimate 58 + 48 by rounding each number to the nearest 10: ______
- Estimate 26 + 55 by rounding each number to the nearest 10: ______
- Estimate 41 − 85 by rounding each number to the nearest 10: ______
- Estimate 34 + 21 by rounding each number to the nearest 10: ______
- Estimate 38 + 49 by rounding each number to the nearest 10: ______
- Estimate 28 − 39 by rounding each number to the nearest 10: ______
- Estimate 81 + 61 by rounding each number to the nearest 10: ______
- Estimate 46 − 22 by rounding each number to the nearest 10: ______
- Estimate 82 + 67 by rounding each number to the nearest 10: ______
- Estimate 40 − 29 by rounding each number to the nearest 10: ______
- Estimate 79 − 43 by rounding each number to the nearest 10: ______