Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 − 64 by rounding each number to the nearest 10: ______
- Estimate 84 + 78 by rounding each number to the nearest 10: ______
- Estimate 63 + 62 by rounding each number to the nearest 10: ______
- Estimate 80 − 38 by rounding each number to the nearest 10: ______
- Estimate 40 − 45 by rounding each number to the nearest 10: ______
- Estimate 59 + 76 by rounding each number to the nearest 10: ______
- Estimate 66 + 28 by rounding each number to the nearest 10: ______
- Estimate 79 − 55 by rounding each number to the nearest 10: ______
- Estimate 57 + 68 by rounding each number to the nearest 10: ______
- Estimate 83 − 67 by rounding each number to the nearest 10: ______
- Estimate 29 + 81 by rounding each number to the nearest 10: ______
- Estimate 22 + 50 by rounding each number to the nearest 10: ______
- Estimate 69 − 23 by rounding each number to the nearest 10: ______
- Estimate 64 − 38 by rounding each number to the nearest 10: ______
- Estimate 21 + 68 by rounding each number to the nearest 10: ______
- Estimate 59 − 80 by rounding each number to the nearest 10: ______
- Estimate 22 + 49 by rounding each number to the nearest 10: ______
- Estimate 57 − 57 by rounding each number to the nearest 10: ______
- Estimate 26 − 25 by rounding each number to the nearest 10: ______
- Estimate 60 − 24 by rounding each number to the nearest 10: ______