📚 Part 1: Identifying Expression Parts

Directions: For each expression below, follow the color-coding instructions:

• Underline each term • Circle coefficients • Box variables • Highlight constants

1. 5x + 3

2. 7y - 4 + 2z

3. 9 - 3a + b

4. 12m + 8n - 15

5. Choose the correct coefficient in the expression 6p + 4q - 7:

p and q

6 and 4

6, 4, and 7

Only 6

6. Which parts are constants? Check all that apply for: 2x + 9 - y + 5

2

9

y

5

✏️ Part 2: Short Answer Questions

7. Explain why coefficients are important in mathematical expressions.

8. What is the difference between a variable and a constant? Give an example of each.

9. In the expression 4x + 7y - 12, how many terms are there? List them.

Number of terms: _______

The terms are: _________________, _________________, _________________

10. Write your own mathematical expression that has:

• At least 3 terms

• At least 2 different variables

• At least 1 constant

My expression: _________________________________

11. Label the parts of your expression from question 10:

Terms: _________________________________________________

Coefficients: ___________________________________________

Variables: _____________________________________________

Constants: _____________________________________________

12. Write a real-world situation that your expression from question 10 could represent.