Area and Perimeter of Squares, Rectangles and Triangles

What is PERIMETER?

• Length of its boundary

• Measure around something

• Measure of the fence & boundaries

• Distance around the figure

What is the formula of PERIMETER OF A RECTANGLE?

Tags

CCSS.4.MD.A.3

What is the formula of PERIMETER OF SQUARE?

Tags

CCSS.4.MD.A.3

What is the formula of PERIMETER OF A TRIANGLE?

Tags

CCSS.3.MD.D.8

Units to measure PERIMETER

• l, ml, kl

• s, h, d

• m, km, hm, dm, cm, etc

• Doesn't have any as such...

Tags

CCSS.2.MD.A.2

Units to measure Area

• Square units

• l², ml²

• cm, km, hm, dm, etc...

• Doesn't have a unit

The amount of space inside a 2-dimensional shape is called the

• Perimeter

• Volume

• Area

• Length

Find the perimeter of the rectangle

• 24 m

• 10 m

• 20 m

• 12 m

Tags

CCSS.4.MD.A.3

You are buying new carpet for your square shaped bedroom. You measure the length of one wall which is 11 feet. How much carpet do you need?

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

What could the length of each of the sides be?

• 2 in

• 3 in

• 6 in

• 81 in

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B