Instructions
- Read each question carefully and provide a complete answer.
- Use the space provided to write your responses.
- Show your work where applicable.
Section 1: Identifying Variables, Expressions, and Equations
1. Write what you understand by each of the following terms:a. Variable:
b. Expression:
c. Equation: 2. Identify whether each statement is a variable, expression, or equation:
a. 5x
b. 7 - 3 = 4
c. 2y + 6
d. 10 = n
e. 4 - 2
Section 2: Solving Simple Equations
3. Solve the following equations and write your answers:a. 3x = 12
b. 7 - y = 3
c. 2n + 4 = 10
d. 5 - 2m = 1 4. Write the equation for each word problem and solve it:
a. A number when multiplied by 6 gives 24.
b. Tim has $15. He spends $4 on a toy.
Section 3: Writing Expressions and Equations
5. Write an expression for each phrase:a. The sum of 7 and 3
b. Twice a number
c. 5 more than x 6. Translate the following into an equation:
a. The product of 4 and 9 is 36.
b. The difference between 15 and 7 is 8.