Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 29 by rounding each number to the nearest 10: ______
- Estimate 61 + 24 by rounding each number to the nearest 10: ______
- Estimate 46 + 41 by rounding each number to the nearest 10: ______
- Estimate 30 − 49 by rounding each number to the nearest 10: ______
- Estimate 51 − 30 by rounding each number to the nearest 10: ______
- Estimate 39 − 81 by rounding each number to the nearest 10: ______
- Estimate 46 + 66 by rounding each number to the nearest 10: ______
- Estimate 50 − 36 by rounding each number to the nearest 10: ______
- Estimate 66 + 53 by rounding each number to the nearest 10: ______
- Estimate 43 − 42 by rounding each number to the nearest 10: ______
- Estimate 23 + 29 by rounding each number to the nearest 10: ______
- Estimate 89 − 60 by rounding each number to the nearest 10: ______
- Estimate 78 − 55 by rounding each number to the nearest 10: ______
- Estimate 69 − 88 by rounding each number to the nearest 10: ______
- Estimate 51 − 77 by rounding each number to the nearest 10: ______
- Estimate 81 − 78 by rounding each number to the nearest 10: ______
- Estimate 37 − 67 by rounding each number to the nearest 10: ______
- Estimate 69 + 37 by rounding each number to the nearest 10: ______
- Estimate 35 − 61 by rounding each number to the nearest 10: ______
- Estimate 37 + 30 by rounding each number to the nearest 10: ______