### Algebra for the ACT

ACT Instructor Tracey of Prepped & Polished, www.preppedandpolished.com, shares an overview of Algebra for the ACT Exam.

### Overview of the ACT Algebra Concepts

Algebra is a little more than 50% of the math section on the ACT.

Pre-algebra is 23% of the math questions, and there are 14 questions on this topic. Elementary algebra is 17% of the math questions with 10 questions on this topic, and intermediate algebra is 15% of math questions with 9 questions on this topic.

#### Pre-algebra concepts include

• Numbers – numbers knowing positive/negative, rational and irrational, consecutive integers
• Orders of operation – PEMDAS
• Factors of numbers, including prime factors
• Operations with Fractions – add, subtract, multiply and divide
• Percentage problems
• Patios and proportions
• Basic statistics such as mean, median, mode, simple counting and combination problems.

#### Elementary Algebra concepts include

• Substituting values into an equation
• Operations on polynomials – add, subtract, multiply and divide
• Factoring polynomials using the FOIL method
• Solving equations
• Laws of exponents and square roots
• Solving word problems

#### Intermediate Algebra concepts include

• Inequalities – solving and evaluating
• Solving systems of equations- 2 variables