Perimeter, Area & Volume

How do we get the perimeter of a shape?

• add up the lengths of all sides

• times the width, length and height

• times 1 side and the other

• subtract any number

What is the perimeter of the shape?

• 8cm

• 64cm

• 36cm

• 1083cm

How do we find the area of a triangle?

• Perpendicular height x base and half it

• Perpendicular height x base

• Slant height x base and half it

• Slant height x base

George has half a sandwich left. It has been cut into half and it forms a triangle. His sandwich measures 10cm by 10cm. How much area does he have to spread Nutella on?(just right the number and cm2)

How do we get the area of a parallelogram?

• Base x slant height x perpendicular height

• Slant height x perpendicular height

• Base x slant height

• Base x perpendicular height

• 72cm²

• 60cm²

• 60cm

• 72cm

We find the volume of a cuboid by multiplying...

• Height, width & length

• Height & width

• 2

• Height, width & length and x2

Find the volume of the cuboid.

• 45 cm³

• 11 cm³

• 30 cm³

• 24 cm³

Challenge: what is the formula for area of a triangle?

Challenge: what is the volume of the cuboid?(Use calculator if u want)