Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 + 49 by rounding each number to the nearest 10: ______
- Estimate 40 − 75 by rounding each number to the nearest 10: ______
- Estimate 39 + 67 by rounding each number to the nearest 10: ______
- Estimate 75 + 81 by rounding each number to the nearest 10: ______
- Estimate 43 + 77 by rounding each number to the nearest 10: ______
- Estimate 63 + 75 by rounding each number to the nearest 10: ______
- Estimate 80 + 25 by rounding each number to the nearest 10: ______
- Estimate 48 + 54 by rounding each number to the nearest 10: ______
- Estimate 37 − 55 by rounding each number to the nearest 10: ______
- Estimate 74 − 66 by rounding each number to the nearest 10: ______
- Estimate 45 + 26 by rounding each number to the nearest 10: ______
- Estimate 53 − 72 by rounding each number to the nearest 10: ______
- Estimate 43 − 48 by rounding each number to the nearest 10: ______
- Estimate 23 + 77 by rounding each number to the nearest 10: ______
- Estimate 58 + 27 by rounding each number to the nearest 10: ______
- Estimate 26 − 55 by rounding each number to the nearest 10: ______
- Estimate 36 − 63 by rounding each number to the nearest 10: ______
- Estimate 76 + 78 by rounding each number to the nearest 10: ______
- Estimate 40 + 36 by rounding each number to the nearest 10: ______
- Estimate 52 − 25 by rounding each number to the nearest 10: ______