Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 75 − 85 by rounding each number to the nearest 10: ______
- Estimate 68 + 45 by rounding each number to the nearest 10: ______
- Estimate 81 + 28 by rounding each number to the nearest 10: ______
- Estimate 54 − 76 by rounding each number to the nearest 10: ______
- Estimate 44 + 59 by rounding each number to the nearest 10: ______
- Estimate 57 − 53 by rounding each number to the nearest 10: ______
- Estimate 30 + 32 by rounding each number to the nearest 10: ______
- Estimate 56 + 72 by rounding each number to the nearest 10: ______
- Estimate 43 + 34 by rounding each number to the nearest 10: ______
- Estimate 32 − 43 by rounding each number to the nearest 10: ______
- Estimate 58 − 61 by rounding each number to the nearest 10: ______
- Estimate 59 + 75 by rounding each number to the nearest 10: ______
- Estimate 80 − 77 by rounding each number to the nearest 10: ______
- Estimate 47 + 67 by rounding each number to the nearest 10: ______
- Estimate 82 + 69 by rounding each number to the nearest 10: ______
- Estimate 59 − 38 by rounding each number to the nearest 10: ______
- Estimate 89 + 49 by rounding each number to the nearest 10: ______
- Estimate 68 + 84 by rounding each number to the nearest 10: ______
- Estimate 55 − 28 by rounding each number to the nearest 10: ______
- Estimate 32 + 68 by rounding each number to the nearest 10: ______