Step 8 of 37
Fluency with fractions, ratios, and negative numbers. Everything later assumes it.
Topics, in order
Final exam
A few questions from every topic, to check you are ready to move on.
Take the final exam ›Learn from
- Khan Academy, the course for this step ›
- Art of Problem Solving, Prealgebra (first half)
Move on when
You can solve a ratio or percent word problem without a calculator.