Ratio 2 (AQA GCSE Maths): Flashcards
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Practise the cards
10 cards from this deck
Golden rule for ratio problems
Golden rule for ratio problems
Find what one part represents
Step 1: dividing quantities in ratios
Step 1: dividing quantities in ratios
Add all ratio numbers to get total parts
Step 2: dividing quantities in ratios
Step 2: dividing quantities in ratios
Divide total by parts for one part value
Step 3: dividing quantities in ratios
Step 3: dividing quantities in ratios
Multiply one part by each ratio number
Order in ratio problems
Order in ratio problems
1st person gets 1st number, 2nd gets 2nd, etc.
Checking ratio problem answers
Checking ratio problem answers
Verify all parts add to original total
Ratio differences: first step
Ratio differences: first step
Find difference in parts (subtract ratio numbers)
Ratio differences: finding one part
Ratio differences: finding one part
Divide actual difference by parts difference
Three-step ratio method
Three-step ratio method
Total parts → divide → multiply each
Why find one part value first?
Why find one part value first?
Allows calculation of all individual amounts