Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 49 by rounding each number to the nearest 10: ______
- Estimate 50 + 58 by rounding each number to the nearest 10: ______
- Estimate 72 + 75 by rounding each number to the nearest 10: ______
- Estimate 60 − 44 by rounding each number to the nearest 10: ______
- Estimate 75 + 77 by rounding each number to the nearest 10: ______
- Estimate 67 − 43 by rounding each number to the nearest 10: ______
- Estimate 84 + 25 by rounding each number to the nearest 10: ______
- Estimate 25 + 65 by rounding each number to the nearest 10: ______
- Estimate 70 + 50 by rounding each number to the nearest 10: ______
- Estimate 83 − 80 by rounding each number to the nearest 10: ______
- Estimate 89 + 82 by rounding each number to the nearest 10: ______
- Estimate 76 + 74 by rounding each number to the nearest 10: ______
- Estimate 45 − 66 by rounding each number to the nearest 10: ______
- Estimate 44 + 27 by rounding each number to the nearest 10: ______
- Estimate 31 − 57 by rounding each number to the nearest 10: ______
- Estimate 39 − 57 by rounding each number to the nearest 10: ______
- Estimate 55 − 42 by rounding each number to the nearest 10: ______
- Estimate 30 − 48 by rounding each number to the nearest 10: ______
- Estimate 50 + 21 by rounding each number to the nearest 10: ______
- Estimate 23 + 32 by rounding each number to the nearest 10: ______