Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 85 by rounding each number to the nearest 10: ______
- Estimate 31 + 81 by rounding each number to the nearest 10: ______
- Estimate 43 − 55 by rounding each number to the nearest 10: ______
- Estimate 38 + 25 by rounding each number to the nearest 10: ______
- Estimate 57 + 30 by rounding each number to the nearest 10: ______
- Estimate 45 − 58 by rounding each number to the nearest 10: ______
- Estimate 77 − 55 by rounding each number to the nearest 10: ______
- Estimate 58 + 43 by rounding each number to the nearest 10: ______
- Estimate 45 − 47 by rounding each number to the nearest 10: ______
- Estimate 25 + 56 by rounding each number to the nearest 10: ______
- Estimate 31 − 82 by rounding each number to the nearest 10: ______
- Estimate 45 − 49 by rounding each number to the nearest 10: ______
- Estimate 60 + 61 by rounding each number to the nearest 10: ______
- Estimate 84 + 48 by rounding each number to the nearest 10: ______
- Estimate 37 − 67 by rounding each number to the nearest 10: ______
- Estimate 85 − 74 by rounding each number to the nearest 10: ______
- Estimate 38 + 59 by rounding each number to the nearest 10: ______
- Estimate 47 − 75 by rounding each number to the nearest 10: ______
- Estimate 39 − 24 by rounding each number to the nearest 10: ______
- Estimate 80 − 37 by rounding each number to the nearest 10: ______