maths y9 surds

What you'll learn

1. 1

   Imagine you have a square with area 2. The side length is √2 — that's a surd!

2. 2

   Which of these is a surd?

3. 3

   Let's simplify √12 together.

4. 4

   Simplify √18 by dragging the numbers into the correct boxes.

5. 5

   What is √18 simplified?

6. 6

   Now simplify √50 — drag the square factor and the remainder.

7. 7

   What is √50 simplified?