Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 − 58 by rounding each number to the nearest 10: ______
- Estimate 33 − 60 by rounding each number to the nearest 10: ______
- Estimate 23 + 51 by rounding each number to the nearest 10: ______
- Estimate 65 − 48 by rounding each number to the nearest 10: ______
- Estimate 42 + 44 by rounding each number to the nearest 10: ______
- Estimate 63 + 35 by rounding each number to the nearest 10: ______
- Estimate 44 + 47 by rounding each number to the nearest 10: ______
- Estimate 47 + 44 by rounding each number to the nearest 10: ______
- Estimate 39 + 22 by rounding each number to the nearest 10: ______
- Estimate 59 + 34 by rounding each number to the nearest 10: ______
- Estimate 67 − 66 by rounding each number to the nearest 10: ______
- Estimate 21 + 84 by rounding each number to the nearest 10: ______
- Estimate 25 − 87 by rounding each number to the nearest 10: ______
- Estimate 47 + 58 by rounding each number to the nearest 10: ______
- Estimate 43 − 80 by rounding each number to the nearest 10: ______
- Estimate 35 + 33 by rounding each number to the nearest 10: ______
- Estimate 80 + 60 by rounding each number to the nearest 10: ______
- Estimate 86 + 43 by rounding each number to the nearest 10: ______
- Estimate 23 + 67 by rounding each number to the nearest 10: ______
- Estimate 68 + 58 by rounding each number to the nearest 10: ______