Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 + 62 by rounding each number to the nearest 10: ______
- Estimate 38 + 51 by rounding each number to the nearest 10: ______
- Estimate 82 − 67 by rounding each number to the nearest 10: ______
- Estimate 43 + 65 by rounding each number to the nearest 10: ______
- Estimate 24 + 70 by rounding each number to the nearest 10: ______
- Estimate 53 + 62 by rounding each number to the nearest 10: ______
- Estimate 69 − 26 by rounding each number to the nearest 10: ______
- Estimate 80 − 32 by rounding each number to the nearest 10: ______
- Estimate 61 − 72 by rounding each number to the nearest 10: ______
- Estimate 29 + 40 by rounding each number to the nearest 10: ______
- Estimate 85 − 25 by rounding each number to the nearest 10: ______
- Estimate 85 + 87 by rounding each number to the nearest 10: ______
- Estimate 64 + 73 by rounding each number to the nearest 10: ______
- Estimate 40 − 23 by rounding each number to the nearest 10: ______
- Estimate 47 − 78 by rounding each number to the nearest 10: ______
- Estimate 21 + 63 by rounding each number to the nearest 10: ______
- Estimate 45 − 70 by rounding each number to the nearest 10: ______
- Estimate 22 + 49 by rounding each number to the nearest 10: ______
- Estimate 45 + 50 by rounding each number to the nearest 10: ______
- Estimate 22 − 61 by rounding each number to the nearest 10: ______