A Mathematics teacher can enhance the power of calculations in the children by

Options

A. clarifying concepts with lot of practice
B. conducting hands-on activities during teaching in classroom
C. explaining algorithm only
D. None of the above

Explanation

To solve the question "A Mathematics teacher can enhance the power of calculations in the children by...", we need to evaluate the provided options and determine which one is the most effective method for enhancing children's calculation skills.

### Step-by-Step Solution:

1. **Understand the Question**: The question asks how a mathematics teacher can improve children's calculation abilities. We need to analyze each option given.

2. **Evaluate the Options**:
- **Option 1: Clarify concepts with lots of practice**: This option suggests that understanding concepts and practicing them can help improve calculation skills. While this is important, it may not be the most engaging method for all students.
- **Option 2: Conducting hands-on activities during teaching in the classroom**: This option emphasizes interactive learning through physical activities. Engaging students in hands-on activities can help them visualize and understand mathematical concepts better.
- **Option 3: Explaining algorithms only**: This option focuses solely on teaching algorithms, which can be abstract and may not help students grasp the practical application of calculations.
- **Option 4: None of the above**: This option suggests that none of the previous methods are effective, which we will evaluate after considering the other options.

3. **Select the Best Option**: After evaluating all options, option 2 stands out as the most effective method. Hands-on activities allow students to physically manipulate objects, making abstract concepts more concrete. For example, using apples to demonstrate addition helps students visualize the process and remember it better.

4. **Conclusion**: Therefore, the correct answer is **Option 2: Conducting hands-on activities during teaching in the classroom**. This method enhances children's ability to visualize calculations and improves their overall understanding of mathematics.