Year 9
Four colour map theorem
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Lesson details
Key learning points
- In this lesson, we will think about a famous, long-standing, maths problem that has been recently solved known as the four colour theorem.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
The four colour map theorem was finally solved in which decade?
1950s
1960s
1980s
Q2.
Which of the below is a requirement of the four colour map theorem?
All the countries that share a border must be coloured the same.
All the countries that share a border must be the same size.
Any countries that share a border must be different sizes.
Q3.
Fill the gap: We can think about maps in terms of _______.
circles
numbers
squares