Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 − 34 by rounding each number to the nearest 10: ______
- Estimate 34 − 46 by rounding each number to the nearest 10: ______
- Estimate 77 + 51 by rounding each number to the nearest 10: ______
- Estimate 77 + 37 by rounding each number to the nearest 10: ______
- Estimate 55 + 40 by rounding each number to the nearest 10: ______
- Estimate 83 − 40 by rounding each number to the nearest 10: ______
- Estimate 75 − 76 by rounding each number to the nearest 10: ______
- Estimate 68 − 81 by rounding each number to the nearest 10: ______
- Estimate 28 − 51 by rounding each number to the nearest 10: ______
- Estimate 68 − 21 by rounding each number to the nearest 10: ______
- Estimate 63 − 25 by rounding each number to the nearest 10: ______
- Estimate 80 + 49 by rounding each number to the nearest 10: ______
- Estimate 58 − 27 by rounding each number to the nearest 10: ______
- Estimate 85 + 27 by rounding each number to the nearest 10: ______
- Estimate 53 + 27 by rounding each number to the nearest 10: ______
- Estimate 82 − 78 by rounding each number to the nearest 10: ______
- Estimate 73 + 25 by rounding each number to the nearest 10: ______
- Estimate 83 − 55 by rounding each number to the nearest 10: ______
- Estimate 27 + 24 by rounding each number to the nearest 10: ______
- Estimate 30 − 51 by rounding each number to the nearest 10: ______