Unit 8, Ratio and Proportion (4 hours)

CIMT Textbook Chapter 7
Interactive Tutorials 7.1-7.3

Introduction to ratio:

Simplifying ratios:

Dividing into ratio:

Ratio word problems

Extension – Harder ratio problems

Unit 9, Angles, Bearings and Maps, Polygons (9 hours):

CIMT Textbook Chapter 11
Interactive Tutorials 11.1-11.3

 CIMT Textbook Chapter 15
Interactive Tutorials 15.1-15.3

Angles introduction:

Parallel Lines:

Corresponding angles:

Co-interior angles:

Alternate angles:

Interior angles:

Exterior angles:

Using exterior angles to calculate sides:

Compass directions:

Bearings:

Exam style question on polygons: