10 February, S1 - Year 11*

Title: Percentages change, Compound Interest, Exponential Growth

Challenge Question
If a car decreases in value by 10% each year for 5 years, what is the overall percentage change? 

Learning Objectives

Beginning

To be able to calculate single, compound or combined percentages. 
Developing

To be able to calculate a change as a percentage and use reverse percentages. 
Mastering
To be able to use plot and use complex functions. 

Resources

Beginning

Check you understanding

Compound Percentages

MEP 11.8, page 23

Challenge Yourself
Percentage Change Trail (print)

Combined Percentages

Exam Questions

Percentages of a number

Compound interest

Developing

Check you understanding

Calculating percentage changes

Calculating Percentage Change (from Ten Ticks 7-8, 2, pages 21-2)*

MEP 11.3, page 13-14

Introduce reverse percentage problems

MEP 11.9, page 26

Ten Ticks 6, 3, pages 5-6

Challenge Yourself
Reverse Percentages

Exam Questions
One number as a percentage of another
Reverse percentage problem

Mastering

Check you understanding
MEP 13.11 - Graphs

Challenge Yourself
CIMT Parallel and Perpendicular Lines

Exam Questions

Plotting and Interpreting Graphs

Homework