MA06-04 Maths Watch
Three-set Venn diagrams, element counts and n(A) notation (Higher)
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In this lesson
In this video you'll learn about three-set venn diagrams for GCSE Maths, with worked examples and the mistakes examiners report. By the end you'll be able to interpret worded information about three overlapping groups to complete a three-set Venn diagram starting from the centre outward, and use n(A) notation to state the number of elements in a set or region.
What it covers
- 1:12 Three-set venn diagrams: eight regions
- 4:20 Building it, centre outward
- 7:49 Now, and a genuinely separate one
- 10:50 Exam technique
- 13:07 Your turn, both skills at once
- 16:12 What's next
Key words
For: Cambridge IGCSE 0580, Edexcel IGCSE 4MA1
On the specification
| Board | Spec | Statement |
|---|---|---|
| Cambridge IGCSE 0580 | E1.2 | Understand and use set language, notation and Venn diagrams to describe sets and represent relationships between sets. |
| Edexcel IGCSE 4MA1 | H1.5B | Use Venn diagrams to represent sets and the number of elements in sets |
| Edexcel IGCSE 4MA1 | H1.5C | Use the notation n(A) for the number of elements in the set A |
| Edexcel IGCSE 4MA1 | H1.5D | Use sets in practical situations |
For teachers
This GCSE Maths lesson teaches three-set Venn diagrams, element counts and n(A) notation (Higher). By the end, students should be able to interpret worded information about three overlapping groups to complete a three-set Venn diagram starting from the centre outward, and use n(A) notation to state the number of elements in a set or region. It works through two worked examples and the mistakes examiners report.