Ratio and Proportion (Grade 12 NSC Matric Mathematics): Flashcards
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Practise the cards
10 cards from this deck
What a ratio compares
What a ratio compares
Two quantities with same units
Type of size ratios show
Type of size ratios show
Relative size, not actual size
Do ratios have units?
Do ratios have units?
No, units cancel out
Proper form for ratios
Proper form for ratios
Simplest form
Steps to simplify ratios
Steps to simplify ratios
Find HCF of both, divide both by HCF
Definition: proportion
Definition: proportion
Equality of ratios
Cross multiplication:
Cross multiplication:
What ratios compare
What ratios compare
Quantities of the same kind
Method to solve proportions
Method to solve proportions
Cross multiplication
Two uses of proportions
Two uses of proportions
Scale drawings, similar figures