Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 − 77 by rounding each number to the nearest 10: ______
- Estimate 77 − 51 by rounding each number to the nearest 10: ______
- Estimate 87 − 55 by rounding each number to the nearest 10: ______
- Estimate 75 − 53 by rounding each number to the nearest 10: ______
- Estimate 44 − 42 by rounding each number to the nearest 10: ______
- Estimate 80 + 62 by rounding each number to the nearest 10: ______
- Estimate 89 − 25 by rounding each number to the nearest 10: ______
- Estimate 44 + 31 by rounding each number to the nearest 10: ______
- Estimate 41 + 37 by rounding each number to the nearest 10: ______
- Estimate 25 − 78 by rounding each number to the nearest 10: ______
- Estimate 78 − 28 by rounding each number to the nearest 10: ______
- Estimate 47 − 32 by rounding each number to the nearest 10: ______
- Estimate 55 − 69 by rounding each number to the nearest 10: ______
- Estimate 30 − 47 by rounding each number to the nearest 10: ______
- Estimate 25 + 53 by rounding each number to the nearest 10: ______
- Estimate 71 + 22 by rounding each number to the nearest 10: ______
- Estimate 84 + 45 by rounding each number to the nearest 10: ______
- Estimate 61 − 89 by rounding each number to the nearest 10: ______
- Estimate 42 − 45 by rounding each number to the nearest 10: ______
- Estimate 34 + 78 by rounding each number to the nearest 10: ______