Mathematics GCSE
Product rule for counting
What Product rule for counting means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of Product rule for counting
Check what you remember
Read the wording for your board, then hide it and explain Product rule for counting in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
If there are m ways of doing one task and for each of these there are n ways of doing another, the total number of ways is m × n.
Topics that use Product rule for counting
- Number - Structure and calculation (Pearson Edexcel GCSE)
Related terms
- Base
- cancelling common factors
- Circumference
- Counting without replacement
- denominator
- equivalent fractions
- Error interval
- estimating roots
Using Product rule for counting in the exam
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