Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 35 + 56 by rounding each number to the nearest 10: ______
- Estimate 30 + 21 by rounding each number to the nearest 10: ______
- Estimate 27 − 27 by rounding each number to the nearest 10: ______
- Estimate 53 + 55 by rounding each number to the nearest 10: ______
- Estimate 56 + 31 by rounding each number to the nearest 10: ______
- Estimate 33 − 45 by rounding each number to the nearest 10: ______
- Estimate 61 − 23 by rounding each number to the nearest 10: ______
- Estimate 85 + 25 by rounding each number to the nearest 10: ______
- Estimate 46 + 62 by rounding each number to the nearest 10: ______
- Estimate 29 + 50 by rounding each number to the nearest 10: ______
- Estimate 60 + 23 by rounding each number to the nearest 10: ______
- Estimate 49 − 75 by rounding each number to the nearest 10: ______
- Estimate 40 + 77 by rounding each number to the nearest 10: ______
- Estimate 82 − 60 by rounding each number to the nearest 10: ______
- Estimate 49 − 55 by rounding each number to the nearest 10: ______
- Estimate 30 − 79 by rounding each number to the nearest 10: ______
- Estimate 57 + 79 by rounding each number to the nearest 10: ______
- Estimate 80 − 77 by rounding each number to the nearest 10: ______
- Estimate 57 + 45 by rounding each number to the nearest 10: ______
- Estimate 74 − 37 by rounding each number to the nearest 10: ______