Problem-solving practice 2 (AQA GCSE Maths): Flashcards
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Practise the cards
10 cards from this deck
First step in ratio problems method
First step in ratio problems method
Add up all parts in the ratio to find total parts
How to check ratio answers
How to check ratio answers
Work backwards - divide total by ratio to verify
What 'compound' means in compound interest
What 'compound' means in compound interest
Each year's interest becomes part of principal for next year
Approach for compound interest calculations
Approach for compound interest calculations
Calculate interest for each year separately, step-by-step
Key strategy for percentage problems
Key strategy for percentage problems
Find what 1% represents, then scale to required amount
Step 1 of percentage problem strategy
Step 1 of percentage problem strategy
Identify what percentage you know and its corresponding value
Step 2 of percentage problem strategy
Step 2 of percentage problem strategy
Calculate what 1% represents by dividing
Step 3 of percentage problem strategy
Step 3 of percentage problem strategy
Multiply by the target percentage to find your answer
What to track in compound interest calculations
What to track in compound interest calculations
Interest earned, totals, additional investments, final amount
Approach for complex ratio/proportion problems
Approach for complex ratio/proportion problems
Break into smaller steps and note what's calculated at each stage