Mathematics: Area and Perimeter

Ms. Easton

Lesson Objectives

Students are reviewing skills that they will need to know in order to advance in levels of higher mathematics and to use in life (perimeter and area).

Time

90 minutes


Click on the Math Explanation link to listen to the recording.

Introduction

10 minutes


Answer the following riddle---


My room is shaped like a rectangle.

It has an area of 28 square inches.

It has a perimeter of 22 inches.


What are the lengths of my sides?

Instruction

25 minutes


Please watch the four videos listed below,


The first two videos will review area and perimeter of parallelograms.


The last two videos will review area and perimeter of trapezoids.


***WRITE DOWN ALL FORMULAS AND TAKE NOTES ON THE VIDEOS, THERE IS LINED PAPER INCLUDED IN YOUR PACKET FOR THIS!!


***IF YOU NEED TO, PAUSE THE VIDEOS TO TAKE NOTES THEN RESUME!!

Area of a parallelogram | Perimeter, area, and volume | Geometry | Khan Academy
Perimeter of a parallelogram | Perimeter, area, and volume | Geometry | Khan Academy
Area of a trapezoid | Perimeter, area, and volume | Geometry | Khan Academy
Perimeter and area of trapezoids

Activities

40 minutes

WARNING!!

CANDY IS INVOLVED, YOU MAY EAT THE CANDY AFTER THE ACTIVITY IS COMPLETE!!


For your first activity, you will find the perimeter of the shapes given to you in your packet. To find the perimeter, you will use starburst!! Your units will be in starbursts.

(Figure 1 will show you how to complete this activity)


For your second activity, you will find the area of the given shapes on the two worksheets provided.

(Figure 2 will show you what worksheets to complete)


***Figure 3 is the formula sheet. Use the highlighted formulas.


ALL MATERIALS ARE IN THE PACKET THAT WAS GIVEN TO YOU ON MONDAY, MAY 16TH

Figure 1

Figure 2

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Figure 3

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Assessment

15 minutes

Extension

If you would like more practice on figuring area and perimeter, go to either IXL BB.22 (perimeter) or 5th grade Z.18 (area).