Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 36 by rounding each number to the nearest 10: ______
- Estimate 47 − 76 by rounding each number to the nearest 10: ______
- Estimate 65 − 46 by rounding each number to the nearest 10: ______
- Estimate 51 − 51 by rounding each number to the nearest 10: ______
- Estimate 34 + 42 by rounding each number to the nearest 10: ______
- Estimate 21 + 24 by rounding each number to the nearest 10: ______
- Estimate 70 − 70 by rounding each number to the nearest 10: ______
- Estimate 74 + 85 by rounding each number to the nearest 10: ______
- Estimate 69 − 55 by rounding each number to the nearest 10: ______
- Estimate 25 − 67 by rounding each number to the nearest 10: ______
- Estimate 54 − 61 by rounding each number to the nearest 10: ______
- Estimate 34 + 75 by rounding each number to the nearest 10: ______
- Estimate 52 + 75 by rounding each number to the nearest 10: ______
- Estimate 26 + 53 by rounding each number to the nearest 10: ______
- Estimate 51 + 48 by rounding each number to the nearest 10: ______
- Estimate 27 − 69 by rounding each number to the nearest 10: ______
- Estimate 62 − 72 by rounding each number to the nearest 10: ______
- Estimate 28 + 83 by rounding each number to the nearest 10: ______
- Estimate 21 + 50 by rounding each number to the nearest 10: ______
- Estimate 34 + 89 by rounding each number to the nearest 10: ______