Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 41 + 58 by rounding each number to the nearest 10: ______
- Estimate 80 + 41 by rounding each number to the nearest 10: ______
- Estimate 61 + 85 by rounding each number to the nearest 10: ______
- Estimate 66 + 80 by rounding each number to the nearest 10: ______
- Estimate 33 + 67 by rounding each number to the nearest 10: ______
- Estimate 64 + 21 by rounding each number to the nearest 10: ______
- Estimate 21 − 53 by rounding each number to the nearest 10: ______
- Estimate 30 − 31 by rounding each number to the nearest 10: ______
- Estimate 62 − 70 by rounding each number to the nearest 10: ______
- Estimate 84 + 52 by rounding each number to the nearest 10: ______
- Estimate 58 − 34 by rounding each number to the nearest 10: ______
- Estimate 25 − 33 by rounding each number to the nearest 10: ______
- Estimate 52 + 64 by rounding each number to the nearest 10: ______
- Estimate 33 + 35 by rounding each number to the nearest 10: ______
- Estimate 25 + 50 by rounding each number to the nearest 10: ______
- Estimate 86 + 27 by rounding each number to the nearest 10: ______
- Estimate 89 + 69 by rounding each number to the nearest 10: ______
- Estimate 66 − 33 by rounding each number to the nearest 10: ______
- Estimate 31 + 30 by rounding each number to the nearest 10: ______
- Estimate 77 − 72 by rounding each number to the nearest 10: ______