Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 30 − 26 by rounding each number to the nearest 10: ______
- Estimate 85 − 83 by rounding each number to the nearest 10: ______
- Estimate 69 − 84 by rounding each number to the nearest 10: ______
- Estimate 52 + 39 by rounding each number to the nearest 10: ______
- Estimate 71 + 51 by rounding each number to the nearest 10: ______
- Estimate 67 + 82 by rounding each number to the nearest 10: ______
- Estimate 31 − 77 by rounding each number to the nearest 10: ______
- Estimate 54 + 46 by rounding each number to the nearest 10: ______
- Estimate 32 − 33 by rounding each number to the nearest 10: ______
- Estimate 86 + 49 by rounding each number to the nearest 10: ______
- Estimate 27 + 70 by rounding each number to the nearest 10: ______
- Estimate 58 + 86 by rounding each number to the nearest 10: ______
- Estimate 44 + 27 by rounding each number to the nearest 10: ______
- Estimate 68 + 78 by rounding each number to the nearest 10: ______
- Estimate 27 + 67 by rounding each number to the nearest 10: ______
- Estimate 49 + 23 by rounding each number to the nearest 10: ______
- Estimate 66 − 71 by rounding each number to the nearest 10: ______
- Estimate 53 − 86 by rounding each number to the nearest 10: ______
- Estimate 44 + 71 by rounding each number to the nearest 10: ______
- Estimate 70 + 70 by rounding each number to the nearest 10: ______