Module 1 · Numbers and Operations
Chapter 4: Ratios and Proportions
Problem-Solving & Data Analysis
7 topics
What this chapter covers
The 7 topics below make up Ratios and Proportions on the Digital SAT. Work through them in order — each one builds toward the SAT-style questions in this chapter's bank.
- 1Ratios
- 2Equivalent Ratios
- 3Proportions
- 4Direct Variation
- 5Inverse Variation
- 6Scale Factors
- 7Unit Rates
Study material & tests
📚 Concept notes
Worked explanations & SAT examples for every topic above.
Coming soon
🎯 Topic practice
SAT-style questions by topic, with full solutions.
Coming soon
📝 Chapter test
Timed, mixed-difficulty test with instant analysis.
Coming soon