Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 24 by rounding each number to the nearest 10: ______
- Estimate 81 − 40 by rounding each number to the nearest 10: ______
- Estimate 32 + 39 by rounding each number to the nearest 10: ______
- Estimate 87 − 58 by rounding each number to the nearest 10: ______
- Estimate 74 − 82 by rounding each number to the nearest 10: ______
- Estimate 26 − 22 by rounding each number to the nearest 10: ______
- Estimate 85 − 80 by rounding each number to the nearest 10: ______
- Estimate 46 + 86 by rounding each number to the nearest 10: ______
- Estimate 84 + 56 by rounding each number to the nearest 10: ______
- Estimate 29 + 69 by rounding each number to the nearest 10: ______
- Estimate 55 − 58 by rounding each number to the nearest 10: ______
- Estimate 46 − 87 by rounding each number to the nearest 10: ______
- Estimate 34 + 30 by rounding each number to the nearest 10: ______
- Estimate 67 + 65 by rounding each number to the nearest 10: ______
- Estimate 25 + 39 by rounding each number to the nearest 10: ______
- Estimate 21 − 84 by rounding each number to the nearest 10: ______
- Estimate 28 + 43 by rounding each number to the nearest 10: ______
- Estimate 54 − 38 by rounding each number to the nearest 10: ______
- Estimate 85 + 29 by rounding each number to the nearest 10: ______
- Estimate 49 − 77 by rounding each number to the nearest 10: ______