1. Area and Perimeter
By Raeesa Asmail and Co.

2. Definitions (dictionary)
Perimeter- the length of a boundary or outer boundary of a 2 dimensional figure.
Area-the surface included inside a set of lines
Cricket888 dictionary (simple)
Perimeter is the length of the border ( on all sides) of a shape.
Area is the inside of a 2-D shape

3. Perimeter P E R R E I M The distance around the outside of an object.

4. Perimeter Examples in the Real World:
Edges of a picture frame or a table

5. Area The space inside of an object.
We measure area using square units.
A R E A

6. Area Examples in the Real World:
Total space on the floor inside a room
Carpet, Tile Floor

7. The relationship between Area and Perimeter
The relationship between area and perimeter is complex but easy to understand.
Area is the inside of a 2-D shape, like a rectangle
Perimeter is the distance around the outline of a 1-D and 2-D shape.
Perimeter is 1-D and Area is 2-D

8. How to find are AND perimeter OF SHAPES
To find area, you need to take the length of two sides of a shape, multiply them and put the squared sign at the end.
To find perimeter, you find the length of all the sides of a shape, and then add them up.

9. Formulas ( math dictionary)
S=sides(2S x 2):area
Perimeter:S=sides(s + s + s + s)
These are related through these formulas because area and perimeter are the same except area is inside and perimeter is outside.

10. Pictures
Area
Perimeter

11. If Anthony wanted to put a pink border around the star, how much string will he need If each side is11.5 cm? Is it area or perimeter?
2nd picture

12. Answer
115 , and it’s perimeter. m

13. What is the total amount of the table sides if the sides are 144cm by 89cm and is it area or perimeter?

14. Answer
The answer is 12,816 cm2 , area.

15. find the area
l x w = area
4 inches
4 x 4 = 16
4 inches

16. Perimeter Perimeter is the measure of the distance around a shape.
Remember
Perimeter
is the
“outside”

17. find the perimeter
6 inches
=20
4 inches
Add up the sides

18. Area Practice finding the area for these shapes. a. 2 inches 3 feet b.

19. Perimeter Practice finding the perimeter for these shapes. 10 feetb.
9 feet
13 feet
15 inches
2 yards c. d.
3 inches
2 yards

20. References:
wcbrecken10 on Mar 07,
Elizabeth Corley on Mar 19,
ortiz1hm on Oct 10,
kboynton on Oct 07, 2010
6sbradbury on Mar 04, 2012