Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 45 by rounding each number to the nearest 10: ______
- Estimate 24 − 78 by rounding each number to the nearest 10: ______
- Estimate 84 + 84 by rounding each number to the nearest 10: ______
- Estimate 60 − 67 by rounding each number to the nearest 10: ______
- Estimate 71 + 27 by rounding each number to the nearest 10: ______
- Estimate 38 − 43 by rounding each number to the nearest 10: ______
- Estimate 49 − 50 by rounding each number to the nearest 10: ______
- Estimate 33 + 79 by rounding each number to the nearest 10: ______
- Estimate 60 − 62 by rounding each number to the nearest 10: ______
- Estimate 25 + 24 by rounding each number to the nearest 10: ______
- Estimate 28 + 54 by rounding each number to the nearest 10: ______
- Estimate 78 − 42 by rounding each number to the nearest 10: ______
- Estimate 86 + 88 by rounding each number to the nearest 10: ______
- Estimate 26 − 49 by rounding each number to the nearest 10: ______
- Estimate 56 − 29 by rounding each number to the nearest 10: ______
- Estimate 67 + 77 by rounding each number to the nearest 10: ______
- Estimate 22 + 30 by rounding each number to the nearest 10: ______
- Estimate 29 − 85 by rounding each number to the nearest 10: ______
- Estimate 70 + 28 by rounding each number to the nearest 10: ______
- Estimate 72 + 86 by rounding each number to the nearest 10: ______