Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 − 38 by rounding each number to the nearest 10: ______
- Estimate 72 − 67 by rounding each number to the nearest 10: ______
- Estimate 80 − 44 by rounding each number to the nearest 10: ______
- Estimate 87 + 43 by rounding each number to the nearest 10: ______
- Estimate 89 + 80 by rounding each number to the nearest 10: ______
- Estimate 24 + 21 by rounding each number to the nearest 10: ______
- Estimate 72 + 70 by rounding each number to the nearest 10: ______
- Estimate 85 − 82 by rounding each number to the nearest 10: ______
- Estimate 49 − 44 by rounding each number to the nearest 10: ______
- Estimate 23 + 53 by rounding each number to the nearest 10: ______
- Estimate 30 − 25 by rounding each number to the nearest 10: ______
- Estimate 26 − 69 by rounding each number to the nearest 10: ______
- Estimate 79 − 32 by rounding each number to the nearest 10: ______
- Estimate 58 − 43 by rounding each number to the nearest 10: ______
- Estimate 34 + 65 by rounding each number to the nearest 10: ______
- Estimate 56 + 32 by rounding each number to the nearest 10: ______
- Estimate 23 + 49 by rounding each number to the nearest 10: ______
- Estimate 23 + 25 by rounding each number to the nearest 10: ______
- Estimate 68 − 48 by rounding each number to the nearest 10: ______
- Estimate 21 + 51 by rounding each number to the nearest 10: ______