![Which Twin is Older?](/sites/default/files/styles/medium/public/thumbnails/content-00-03-art1-icon.gif?itok=W4uRDb7J)
Vectors
![Which Twin is Older?](/sites/default/files/styles/medium/public/thumbnails/content-00-03-art1-icon.gif?itok=W4uRDb7J)
![A Knight's Journey](/sites/default/files/styles/medium/public/thumbnails/content-97-10-art1-icon.gif?itok=qlyFlMEG)
article
A Knight's Journey
This article looks at knight's moves on a chess board and introduces you to the idea of vectors and vector addition.
![Another Triangle in a Triangle](/sites/default/files/styles/medium/public/thumbnails/content-id-12182-icon.jpg?itok=iLx-7b85)
problem
Another Triangle in a Triangle
Can you work out the fraction of the original triangle that is covered by the green triangle?