MA02-05 Maths Watch
The product rule for counting (Higher)
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In this lesson
In this video you'll learn about the product rule for counting (higher) for GCSE Maths, with worked examples and the mistakes examiners report. By the end you'll be able to apply the product rule (m x n) to count the total number of combined outcomes across two or more independent choices, instead of listing every outcome by hand.
What it covers
- 0:51 The product rule for counting (higher): listing stalls, then the why
- 2:55 Back to the trainers
- 3:42 Exam technique
- 4:18 That question rebuilt
- 6:39 Your turn
- 7:43 What's next
Key words
For: AQA GCSE 8300, Edexcel GCSE 1MA1, Eduqas GCSE C300, OCR GCSE J560
On the specification
| Board | Spec | Statement |
|---|---|---|
| AQA GCSE 8300 | N5 | Apply systematic listing strategies |
| Edexcel GCSE 1MA1 | N5 | Apply systematic listing strategies |
| Eduqas GCSE C300 | HN5 | Apply systematic listing strategies including use of the product rule for counting |
| OCR GCSE J560 | 11.02b | Use systematic listing strategies. |
For teachers
This GCSE Maths lesson teaches the product rule for counting (Higher). By the end, students should be able to apply the product rule (m x n) to count the total number of combined outcomes across two or more independent choices, instead of listing every outcome by hand. It works through two worked examples and the mistakes examiners report.