perimeter and area of rectangle

What does perimeter mean?

• The amount of space on the inside of a 2D shape.

• The distance around the outside of a 2D shape.

How do you find the perimeter of a rectangle?

• P = Length x Width

• P = Length x 2 + Width x 2

• P = Multiply all of the numbers

• P = Length - Width

Find the perimeter of the rectangle.

• 40 mm 
• 82 mm 
• 420 mm 
• 41 mm 

Find the perimeter of the rectangle.

• 40 cm
• 300 cm
• 80 cm
• 60 cm

What does 'Area' mean?

• The distance around the outside of a 2D shape.

• The amount of space on the inside of a 2D shape.

We need to write the area of a shape in square units. What symbol do we use?

• ___ ³ 

• ___ ²

How do you find the area of a rectangle?

• A = Length x 4

• A = Width x 4

• A = Length x Width

• A = Add all the sides

Find the area of the rectangle.

• 140 cm²
• 70 cm²
• 34 cm²
• 64 cm²

Find the area of the rectangle.

• 108 mm²
• 21 mm²
• 54 mm²
• 42 mm2

What is the perimeter and area of this square?

(click to show image)

• P= 20 cm

  A= 25 cm

• P= 10 cm

  A= 20 cm²

• P= 20 cm

  A= 25 cm²

• P= 10 cm

  A= 25 cm