Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 35 by rounding each number to the nearest 10: ______
- Estimate 63 + 84 by rounding each number to the nearest 10: ______
- Estimate 21 − 45 by rounding each number to the nearest 10: ______
- Estimate 31 + 80 by rounding each number to the nearest 10: ______
- Estimate 48 + 43 by rounding each number to the nearest 10: ______
- Estimate 78 + 34 by rounding each number to the nearest 10: ______
- Estimate 83 − 63 by rounding each number to the nearest 10: ______
- Estimate 79 + 80 by rounding each number to the nearest 10: ______
- Estimate 48 + 28 by rounding each number to the nearest 10: ______
- Estimate 25 + 44 by rounding each number to the nearest 10: ______
- Estimate 50 + 29 by rounding each number to the nearest 10: ______
- Estimate 34 + 63 by rounding each number to the nearest 10: ______
- Estimate 23 + 72 by rounding each number to the nearest 10: ______
- Estimate 67 + 63 by rounding each number to the nearest 10: ______
- Estimate 73 + 51 by rounding each number to the nearest 10: ______
- Estimate 22 + 82 by rounding each number to the nearest 10: ______
- Estimate 36 + 83 by rounding each number to the nearest 10: ______
- Estimate 50 − 85 by rounding each number to the nearest 10: ______
- Estimate 48 − 53 by rounding each number to the nearest 10: ______
- Estimate 77 + 55 by rounding each number to the nearest 10: ______