Counting strategies (AQA GCSE Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are counting strategies?
What are counting strategies?
Systematic methods for combinations
Why is being systematic crucial in counting problems?
Why is being systematic crucial in counting problems?
Avoids missed combos & duplicates
What is the first step in the systematic listing method?
What is the first step in the systematic listing method?
Identify the categories/positions
Using cards 4, 5, 6, how many three-digit numbers can be made?
Using cards 4, 5, 6, how many three-digit numbers can be made?
6
3 colours and 3 shapes for badges. How many combinations?
3 colours and 3 shapes for badges. How many combinations?
9
5 teams each play every other team once. How many matches total?
5 teams each play every other team once. How many matches total?
10
Why should you show systematic working in exams?
Why should you show systematic working in exams?
Get partial marks for method
What is a common mistake to avoid in counting problems?
What is a common mistake to avoid in counting problems?
Double-counting combinations
When should you use counting strategies?
When should you use counting strategies?
"How many different ways" questions
In the tournament example, why list only forward matches?
In the tournament example, why list only forward matches?
Avoids double-counting