Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 − 85 by rounding each number to the nearest 10: ______
- Estimate 59 − 71 by rounding each number to the nearest 10: ______
- Estimate 81 + 38 by rounding each number to the nearest 10: ______
- Estimate 40 + 28 by rounding each number to the nearest 10: ______
- Estimate 63 + 64 by rounding each number to the nearest 10: ______
- Estimate 58 − 75 by rounding each number to the nearest 10: ______
- Estimate 55 − 71 by rounding each number to the nearest 10: ______
- Estimate 84 + 63 by rounding each number to the nearest 10: ______
- Estimate 72 − 42 by rounding each number to the nearest 10: ______
- Estimate 58 + 55 by rounding each number to the nearest 10: ______
- Estimate 82 − 67 by rounding each number to the nearest 10: ______
- Estimate 77 + 50 by rounding each number to the nearest 10: ______
- Estimate 75 + 57 by rounding each number to the nearest 10: ______
- Estimate 81 + 84 by rounding each number to the nearest 10: ______
- Estimate 55 − 46 by rounding each number to the nearest 10: ______
- Estimate 28 + 40 by rounding each number to the nearest 10: ______
- Estimate 26 − 75 by rounding each number to the nearest 10: ______
- Estimate 65 + 29 by rounding each number to the nearest 10: ______
- Estimate 60 + 36 by rounding each number to the nearest 10: ______
- Estimate 68 + 50 by rounding each number to the nearest 10: ______