Ratio, Rate, and Proportion (Grade 10 NSC Matric Mathematical Literacy): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Ratio definition
Ratio definition
Compares 2+ numbers of same type/measurement
Ratio notation symbol
Ratio notation symbol
Using a colon (:) between numbers
Order importance in ratios
Order importance in ratios
Order matters: 1:7 ≠ 7:1
Units in ratios
Units in ratios
No units - they cancel out (must be same before simplifying)
Unit ratio
Unit ratio
Ratio where one number equals 1
Rate definition
Rate definition
Comparison between numbers with different units
Unit rate
Unit rate
Rate where one quantity equals 1 unit
Direct proportion
Direct proportion
Both quantities change in same direction (both up or both down)
Inverse proportion
Inverse proportion
Quantities change in opposite directions
How to simplify ratios
How to simplify ratios
Divide both numbers by common factor (like fractions)