Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 34 − 22 by rounding each number to the nearest 10: ______
- Estimate 67 + 47 by rounding each number to the nearest 10: ______
- Estimate 86 + 54 by rounding each number to the nearest 10: ______
- Estimate 85 − 69 by rounding each number to the nearest 10: ______
- Estimate 49 + 76 by rounding each number to the nearest 10: ______
- Estimate 80 − 51 by rounding each number to the nearest 10: ______
- Estimate 84 + 46 by rounding each number to the nearest 10: ______
- Estimate 85 + 45 by rounding each number to the nearest 10: ______
- Estimate 46 − 29 by rounding each number to the nearest 10: ______
- Estimate 68 + 55 by rounding each number to the nearest 10: ______
- Estimate 33 + 59 by rounding each number to the nearest 10: ______
- Estimate 59 − 48 by rounding each number to the nearest 10: ______
- Estimate 39 + 75 by rounding each number to the nearest 10: ______
- Estimate 89 + 89 by rounding each number to the nearest 10: ______
- Estimate 86 − 68 by rounding each number to the nearest 10: ______
- Estimate 48 − 79 by rounding each number to the nearest 10: ______
- Estimate 34 − 83 by rounding each number to the nearest 10: ______
- Estimate 62 − 64 by rounding each number to the nearest 10: ______
- Estimate 55 + 77 by rounding each number to the nearest 10: ______
- Estimate 76 + 81 by rounding each number to the nearest 10: ______