SAT Math · Study & Practice

Ratios and Proportions

Ratios and proportions are among the most heavily tested ideas on the SAT — they power rate, scale, mixture and unit-conversion questions. This chapter covers ratios, equivalent ratios, proportions, direct and inverse variation, scale factors and unit rates. Read each topic, try the problems with the hint ladder, then take the 8-question topic test.

Topics

1 Ratios 4 worked · 5 practice · 8-Q test Start → 2 Equivalent Ratios 4 worked · 5 practice · 8-Q test Start → 3 Proportions 4 worked · 5 practice · 8-Q test Start → 4 Direct Variation 4 worked · 5 practice · 8-Q test Start → 5 Inverse Variation 4 worked · 5 practice · 8-Q test Start → 6 Scale Factors 4 worked · 5 practice · 8-Q test Start → 7 Unit Rates 4 worked · 5 practice · 8-Q test Start →

Chapter test

📝 Ratios and Proportions — Chapter Test
25 fresh questions · timed · full solutions
Start chapter test →
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