Related Links

• Iowa Test of Basic Skills
• Explore
• Plan
• ACT
• PSAT
• SAT
• AP Calculus AB
• AP Calculus BC
• AP Statistics
• AP Computer Science A
• GRE
• Major Tests
• Varsity Tutors Practice Tests

Test Prep

You can contact me for gentle, expert preparation for any of the following exams:

• Iowa Test of Basic Skills
• Explore
• Plan/ACT
• PSAT/SAT
• AP Calculus
• AP Statistics
• AP Computer Science
• GRE

I'm currently developing help for ACT Science and Math prep. Stay tuned for updates.

I can also help you prepare for math placement exams.

Algebra

Khan Academy has a great Algebra series. For middle school school students preparing for the summer Algebra exam for Evanston Township High School, I recommend the following series:

Linear Equations

• Linear Equations in Slope Intercept Form
• Linear Equations in Point Slope Form
• Linear Equations in Standard Form
• Converting to slope-intercept form
• Point-slope and standard form

Quadratics

• Factoring Quadratic Expressions
• Factoring Special Products
• Factoring perfect square trinomials
• Factoring difference of squares
• Solving Quadratic Equations by Factoring
• Solving Quadratic Equations by Factoring 2

Exponentional Expressions

• Exponent Properties 1 : When multiplying numbers with common base, add exponents
• Exponent Properties 2
• Exponent Properties 3
• Exponent Properties 4
• Exponent Properties 5
• Exponent Properties 6
• Exponent Properties 7
• Negative Exponent Intuition
• Simplifying Expressions with Exponents
• Simplifying Expressions with Exponents 2

Systems of Linear Equations

• Solving Linear Systems by Graphing
• Solving systems by graphing
• Solving systems by substitution 1
• Solving systems by substitution 2
• Solving systems by substitution 3
• Solving Linear Systems by Substitution
• Solving Systems of Equations by Elimination
• Solving Systems of Equations by Multiplication

Other Topics

• Exponential Growth and Decay
• Simplifying radicals : Using exponent rules to simplify radicals or square roots

Thinking Blocks

This is another cool site that can help you with ratio word problems

Be sure to use the "Practice this concept" button whenever it appears on a page. Another way to practice is to pause the video and work out the answer on your own before seeing how Salman Khan solves the problem.