Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 − 39 by rounding each number to the nearest 10: ______
- Estimate 49 − 22 by rounding each number to the nearest 10: ______
- Estimate 65 + 36 by rounding each number to the nearest 10: ______
- Estimate 50 + 50 by rounding each number to the nearest 10: ______
- Estimate 39 − 22 by rounding each number to the nearest 10: ______
- Estimate 59 + 66 by rounding each number to the nearest 10: ______
- Estimate 28 − 54 by rounding each number to the nearest 10: ______
- Estimate 58 − 75 by rounding each number to the nearest 10: ______
- Estimate 65 + 80 by rounding each number to the nearest 10: ______
- Estimate 76 + 26 by rounding each number to the nearest 10: ______
- Estimate 76 − 40 by rounding each number to the nearest 10: ______
- Estimate 71 + 77 by rounding each number to the nearest 10: ______
- Estimate 82 + 57 by rounding each number to the nearest 10: ______
- Estimate 35 − 34 by rounding each number to the nearest 10: ______
- Estimate 54 − 84 by rounding each number to the nearest 10: ______
- Estimate 27 − 83 by rounding each number to the nearest 10: ______
- Estimate 76 − 81 by rounding each number to the nearest 10: ______
- Estimate 29 + 89 by rounding each number to the nearest 10: ______
- Estimate 82 + 51 by rounding each number to the nearest 10: ______
- Estimate 83 − 45 by rounding each number to the nearest 10: ______