TEKS & Objectives
7.9.C determine the area of composite figures containing combinations of rectangles, squares, parallelograms, trapezoids, triangles, semicircles, and quarter circles
7.1.A apply mathematics to problems arising in everyday life, society, and the workplace
We will examine how area is measured.
I will calculate the areas of various figures in square units.
1. Complete warmup.
2. Introduction to area:
Area is the amount of space a flat shape takes up.
- It’s measured in unit squares.
- What are unit squares?
3. Let’s try counting them to find area.
4. Find area by multiplying.
First, let’s review arrays.
Which of these are arrays?
5. If your unit squares are in the shape of an array, you can find the area by multiplying.
Even if your figure isn’t an array, you may be able to break it into arrays.
6. Let’s try some together.
7. Review area and perimeter with this song from Flocabulary.
8. “Perimeter and Area”
9. Complete assignment at Brainzy
….You can use your calculator!
….Area of a Rectangle Using Square Units (Exercise)
….Alfalfa’s Out of the Box: Perimeter, Area, and Addition
Look for the assignment with today’s date.
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Find access codes here..
Lesson Resources
Extra
- Fundamentals of Division Workbook (with visuals, 20p)
- Fundamentals of multiplication workbook (with visuals)