Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 66 + 67 by rounding each number to the nearest 10: ______
- Estimate 81 + 48 by rounding each number to the nearest 10: ______
- Estimate 61 − 75 by rounding each number to the nearest 10: ______
- Estimate 23 − 45 by rounding each number to the nearest 10: ______
- Estimate 38 − 50 by rounding each number to the nearest 10: ______
- Estimate 85 + 35 by rounding each number to the nearest 10: ______
- Estimate 57 − 41 by rounding each number to the nearest 10: ______
- Estimate 65 − 82 by rounding each number to the nearest 10: ______
- Estimate 82 + 77 by rounding each number to the nearest 10: ______
- Estimate 27 − 23 by rounding each number to the nearest 10: ______
- Estimate 39 + 40 by rounding each number to the nearest 10: ______
- Estimate 89 + 32 by rounding each number to the nearest 10: ______
- Estimate 55 + 24 by rounding each number to the nearest 10: ______
- Estimate 89 + 30 by rounding each number to the nearest 10: ______
- Estimate 29 + 81 by rounding each number to the nearest 10: ______
- Estimate 21 − 84 by rounding each number to the nearest 10: ______
- Estimate 69 + 82 by rounding each number to the nearest 10: ______
- Estimate 58 + 82 by rounding each number to the nearest 10: ______
- Estimate 25 − 28 by rounding each number to the nearest 10: ______
- Estimate 23 − 45 by rounding each number to the nearest 10: ______