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Year 10
Vectors
Definition
A vector describes a movement: how far across and how far up or down, written as a column like (3 over 2). Unlike an ordinary number, a vector has both size and direction.
Why Do I Have to Learn This?
Vectors describe movement with both size and direction. They steer ships, planes and characters in video games.
Key Rules:
- 1. The top number moves across (right is positive), the bottom number moves up or down (up is positive).
- 2. Add vectors by adding tops together and bottoms together.
- 3. Multiplying a vector by a number scales its length; a negative flips its direction.
Remember:
- •Common slip: mixing the order, across always comes on top.
- •Equal vectors have the same numbers even if they start in different places.
- •A vector journey a then b lands in the same place as b then a.
Translation
Sliding a shape to a new position without turning it.
Moving a shape 3 squares to the right is a translation.
Animated Example:
Right 3, up 2: (3, 2)
Free Vectors Worksheet
Download free worksheets and practise today.
Every download has a fresh set of questions.
Let’s Practise the Concept
Step 1 of 3
Put them in order
Tap the numbers from smallest to largest.
In order so far: nothing yet