There are s students in the art club. Each member painted 4 pictures for the art show. Write an expression that shows the number of pictures painted.

1. Break Down the Problem

To find the number of pictures painted by the students in the art club, we need to consider:

• The number of students participating, denoted as $s$.
• Each student painted a fixed number of pictures, which is 4.

2. Relevant Concepts

The total number of pictures painted can be found by multiplying the number of students by the number of pictures each student painted. This can be represented mathematically as: $\text{Total Pictures} = \text{Number of Students} \times \text{Pictures per Student}$

3. Analysis and Detail

From the information provided:

• Each of the $s$ students painted 4 pictures. Therefore, the total number of pictures painted by all students can be calculated using the formula derived above.

4. Verify and Summarize

The expression to represent the total number of pictures painted given $s$ students, each painting 4 pictures, is: $\text{Total Pictures} = 4s$

Final Answer

The expression that shows the number of pictures painted is $4s$.