1. The Quadratic Formula L.O.
All pupils understand when to use the quadratic formula
All pupils can use the quadratic formula
All pupils understand what they can find out from the number of roots

2. When do we use the quadratic formula?
Starter:
Quadratic formula usage
When do we use the quadratic formula?

3. Starter:
Quadratic formula usage
We use the quadratic formula to find the roots of graphs when we cannot factorise.

4. What do I mean with ‘the roots of quadratics’?
Starter:
Quadratic formula usage
What do I mean with ‘the roots of quadratics’?
𝒙 𝟐 −𝟒𝒙=𝟎

5. The Quadratic Formula L.O.
All pupils understand when to use the quadratic formula
All pupils can use the quadratic formula
All pupils understand what they can find out from the number of roots

6. What is the quadratic formula?
Main 1:
use the quadratic formula
What is the quadratic formula?

7. Find the number of roots for each of the functions
Main 1:
use the quadratic formula
Use the quadratic formula to find where the functions on the other board cross the x axis.
Ext:
find out from the number of roots
Find the number of roots for each of the functions

8. The Quadratic Formula L.O.
All pupils understand when to use the quadratic formula
All pupils can use the quadratic formula
All pupils understand what they can find out from the number of roots

9. How can you find the number of roots through the quadratic formulas?
Main 2:
find out from the number of roots
How can you find the number of roots through the quadratic formulas?

10. The Quadratic Formula L.O.
All pupils understand when to use the quadratic formula
All pupils can use the quadratic formula
All pupils understand what they can find out from the number of roots

11. Plenary:
Wipeboards

12. The Quadratic Formula L.O.
All pupils understand when to use the quadratic formula
All pupils can use the quadratic formula
All pupils understand what they can find out from the number of roots