Ratio, Proportion, and Rate (Grade 12 NSC Matric Mathematical Literacy): Flashcards

Compares two or more quantities, shows their relationship

Colon (3:2), words (3 to 2), fraction (3/2)

Multiply or divide both numbers by same value

Matters - 3:2 is different from 2:3

Divide both terms by largest common divisor

Ratio where one term equals 1

Equation stating two ratios are equal

If $\frac{a}{b} = \frac{c}{d}$, then $a \times d = b \times c$

Two quantities with different units

Distance = Speed $\times$ Time