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Area
Objective
I can find the area of a shape by counting the number of squares.
Objective
Essential Questions
Essential Questions
- What is area?
- How do you find the area of a shape?
What is area?
- Area is the space inside of a shape.
- Area is measured in square units.
area
What is area?
How to find the area.
we call this using an array
How do we find the area?
1
2
3
4
5
6
We can fill the shape up with same sized squares and then count the squares!
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7
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16
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13
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Let's Practice!
Remember all you need to do is count the squares!
**You can skip count to save time.
Let's Practice
Let's try this one
Practice #1
Look at this shape:
- It is 3 squares wide
- And 3 squares high.
Let’s count all the squares to find the area!
Area = 9 squares
Let's try another together
Practice #2
Look at this shape:
- It is 4 squares wide
- And 5 squares high.
Let’s count the squares to find the area!
Area = 20 squares
Try this one by yourself
Practice #3
Count all the squares in the shape to find the area.
What is the area?
Try another!
Practice #4
Count all the squares in the shape to find the area.
What is the area?
Wrap It Up!
Today we found the area of a shape.
How do you find the area of a shape? Think about your answer and share with a family member.
Wrap it Up
Geoboard
You can also use a geoboard to help find the area of a shape.
Use a Geoboard to find area
Using a geoboad to find area
How To:
Use rubber bands on the geoboard to create the shape.
You will do this by counting the number of rows and columns the shape has.
Rows
Rows are SIDE WAYS!
To count the rows you will count them by going down the shape.
Rows
row 1
row 2
this is a row
Columns
Columns are UP and DOWN!
To count the columns you will count them by going across the shape.
column 2
column 1
Columns
this is a column
Make a shape
Use a rubber band a shape that has 3 rows and 2 columns.
row 1
Make a shape
row 2
row 3
column 1
column 2
Find the area
Now that you have your shape, count the squares inside to find the area.
row 1
1
2
Find the area
3
4
row 2
5
6
row 3
The area of this shape equals 6
column 1
column 2