Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 24 by rounding each number to the nearest 10: ______
- Estimate 59 + 84 by rounding each number to the nearest 10: ______
- Estimate 77 − 48 by rounding each number to the nearest 10: ______
- Estimate 63 + 86 by rounding each number to the nearest 10: ______
- Estimate 52 − 84 by rounding each number to the nearest 10: ______
- Estimate 30 + 42 by rounding each number to the nearest 10: ______
- Estimate 72 − 59 by rounding each number to the nearest 10: ______
- Estimate 75 + 68 by rounding each number to the nearest 10: ______
- Estimate 70 − 63 by rounding each number to the nearest 10: ______
- Estimate 58 + 67 by rounding each number to the nearest 10: ______
- Estimate 54 − 45 by rounding each number to the nearest 10: ______
- Estimate 34 − 77 by rounding each number to the nearest 10: ______
- Estimate 71 + 66 by rounding each number to the nearest 10: ______
- Estimate 85 + 69 by rounding each number to the nearest 10: ______
- Estimate 70 − 86 by rounding each number to the nearest 10: ______
- Estimate 24 + 22 by rounding each number to the nearest 10: ______
- Estimate 63 + 72 by rounding each number to the nearest 10: ______
- Estimate 81 − 75 by rounding each number to the nearest 10: ______
- Estimate 74 − 44 by rounding each number to the nearest 10: ______
- Estimate 24 − 85 by rounding each number to the nearest 10: ______