1. Module 4

1.28. Lesson 6

Mathematics 10-3 Module 4 Lesson 6

Module 4: Area

 

Lesson 6: Perimeter, Area, and Understanding Scale (Factor)

 

Focus

 

This photograph is of a sunny deck with outdoor furniture.

© Stephen Leech/shutterstock

Raveena has taken a photograph of her neighbour’s deck. She wants to have a similar deck built at her home. However, as her backyard is not as large, she intends to scale back the size of the deck. The shape of Raveena’s deck will be the same, but her deck will cover a smaller area.

 

Raveena thinks that her deck will have to be half the area of her neighbour’s deck. How much shorter will the dimensions of Raveena’s deck be compared to her neighbour’s deck?

 

Lesson Questions

 

In this lesson you will explore these questions:

  • How does changing one or more dimensions of a rectangle affect the rectangle’s perimeter?
  • How does changing one or more dimensions of a rectangle affect the rectangle’s area?
Assessment

 

You will complete the Lesson 6 Assignment Booklet for assessment. Download the Lesson 6 Assignment Booklet and save it in your course folder now. You will receive instructions on how to complete the Assignment Booklet later in the lesson. You will also be prompted to start working on the Unit 2 Project.

 

Remember to save all activities, including those that are not part of the Assignment, in your course folder.

 

Required Materials and Equipment

 

For this lesson you will need

  • two sheets of quarter-inch grid paper (available in the course Toolkit)
  • a ruler
  • a calculator