Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 − 85 by rounding each number to the nearest 10: ______
- Estimate 21 + 73 by rounding each number to the nearest 10: ______
- Estimate 53 − 47 by rounding each number to the nearest 10: ______
- Estimate 21 + 36 by rounding each number to the nearest 10: ______
- Estimate 81 − 89 by rounding each number to the nearest 10: ______
- Estimate 87 − 67 by rounding each number to the nearest 10: ______
- Estimate 89 + 89 by rounding each number to the nearest 10: ______
- Estimate 24 − 83 by rounding each number to the nearest 10: ______
- Estimate 72 + 38 by rounding each number to the nearest 10: ______
- Estimate 71 + 72 by rounding each number to the nearest 10: ______
- Estimate 82 + 54 by rounding each number to the nearest 10: ______
- Estimate 80 − 86 by rounding each number to the nearest 10: ______
- Estimate 83 + 22 by rounding each number to the nearest 10: ______
- Estimate 84 + 46 by rounding each number to the nearest 10: ______
- Estimate 50 − 80 by rounding each number to the nearest 10: ______
- Estimate 36 + 68 by rounding each number to the nearest 10: ______
- Estimate 86 + 77 by rounding each number to the nearest 10: ______
- Estimate 53 + 67 by rounding each number to the nearest 10: ______
- Estimate 28 + 84 by rounding each number to the nearest 10: ______
- Estimate 38 − 80 by rounding each number to the nearest 10: ______