1. Objectives: To further understand the natural exponential e and natural logarithms. To solve equations involving e and ln. To know that e x and lnx are inverse functions

2. The method: ln2x – 3 = 5 3e x + 5 = 7

3. Activity Worksheet A Question 1 using GDC Q2-5 without GDC

4. Activity Worksheet A Question 1 using GDC Q2-5 without GDC

5. Activity Worksheet A Question 1 using GDC Q2-5 without GDC

6. Activity Worksheet A Question 1 using GDC Q2-5 without GDC

7. Activity Worksheet A Question 1 using GDC Q2-5 without GDC out of time

8. SUMMARY is a growth function. (3 d.p.) At every point on, the gradient equals y : The inverse of is ( log with base e ) is defined for x > 0 only

9. Tarsia puzzle In table groups Includes some where you have to form quadratics  Good luck

10. Plenary mymaths: matching pairs

11. Homework: On moodle topic 4 e x and lnx Topic test in next week’s lesson

12. plenary

15. Link to excel