Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 86 by rounding each number to the nearest 10: ______
- Estimate 75 − 64 by rounding each number to the nearest 10: ______
- Estimate 30 + 78 by rounding each number to the nearest 10: ______
- Estimate 43 + 25 by rounding each number to the nearest 10: ______
- Estimate 73 + 34 by rounding each number to the nearest 10: ______
- Estimate 34 + 22 by rounding each number to the nearest 10: ______
- Estimate 48 + 67 by rounding each number to the nearest 10: ______
- Estimate 30 − 77 by rounding each number to the nearest 10: ______
- Estimate 37 − 66 by rounding each number to the nearest 10: ______
- Estimate 39 − 84 by rounding each number to the nearest 10: ______
- Estimate 89 + 75 by rounding each number to the nearest 10: ______
- Estimate 70 − 64 by rounding each number to the nearest 10: ______
- Estimate 67 + 57 by rounding each number to the nearest 10: ______
- Estimate 55 − 45 by rounding each number to the nearest 10: ______
- Estimate 46 + 62 by rounding each number to the nearest 10: ______
- Estimate 72 + 37 by rounding each number to the nearest 10: ______
- Estimate 82 − 28 by rounding each number to the nearest 10: ______
- Estimate 45 + 37 by rounding each number to the nearest 10: ______
- Estimate 53 − 68 by rounding each number to the nearest 10: ______
- Estimate 79 − 23 by rounding each number to the nearest 10: ______