1. Logarithms – Changing the Base
All pupils can answer basic logarithmic questions
All pupils can change the base of a logarithm for non-calculator situations

2. Ext. Prove each statement in another way
Starter:
True or False?
Ext. Prove each statement in another way

3. Ext. Prove each statement in yet another way
Starter:
Quick Questions
Ext. Prove each statement in yet another way

4. Logarithms – Changing the Base
All pupils can answer basic logarithmic questions
All pupils can change the base of a logarithm for non-calculator situations

5. Main:
base of a logarithm

6. Main:
base of a logarithm

7. Main:
base of a logarithm

8. Main:
base of a logarithm
Question
Logarithmic form
Same base form

9. Logarithms – Changing the Base
All pupils can answer basic logarithmic questions
All pupils can change the base of a logarithm for non-calculator situations

10. Look at the examples on page 252 and at the top of 253
Main 2:
Look at the examples on page 252 and at the top of 253

11. Main 2:
Exercise 5F

12. Exponentials and Logarithms
All pupils can convert between logarithmic and exponential forms
Most pupils can derive the logarithmic laws
All pupils can use logarithms to solve problems

13. Wipeboards

14. Exponentials and Logarithms
All pupils can convert between logarithmic and exponential forms
Most pupils can derive the logarithmic laws
All pupils can use logarithms to solve problems