Area, perimeter and volume for Functional Maths

Area, perimeter and volume for Functional Maths

Functional Skills Maths L2 Perimeter, Area and Volume Presented by: Bill Haining Perimeter What is the perimeter of a shape? the length around the edge

How do you calculate the perimeter of a straight sided shape? 8.5m 2.1m Perimeter = 8.5 + 2.1 + 8.5 + 2.1 = Perimeter 2 6.3cm 2.1cm

1.2cm 0.8cm Perimeter = 6.3 + 2.1 + 1.2 + 0.8 + 1.2 + 6.3 + 0.8 + 2.1 = 20.8 Perimeter 3

What is the name we use for the perimeter of a circle? Circumference How do we calculate the circumference of a circle? 2 x radius x radius = distance from centre to the edge of a circle = 3.142

Perimeter 4 Radius = 5.2 mm Perimeter = 2 x 5.2 x = 32.67 mm

Area What is the area of a shape? How much flat space it takes up. How do you calculate the area? 8

. 5 m Area 2.1m = length x width = 8.5 x 2.1 = 17.85 m2

Area 2 6.3cm 2.1cm 1.2cm 0.8cm Area = (6.3 x (2.1+0.8)) + (1.2 x 0.8) =(6.3 x 2.9) + (1.2 x 0.8) = 18.27 + 0.96 = 19.23 cm2

Area 3 What is the area of a circle? x (radius)2 Or x radius x radius Area 4

Radius = 5.2 mm Area = x 5.22 = 3.142 x 5.2 x 5.2 = 84.95 mm2 Area 5

What is the area of a triangle? A triangle is half of a rectangle so the area of a triangle is: x base x height Area 6 1.2 m 3.1 m

Area = x 3.1 x 1.2 = 1.86 m2 Area 7 1.5 m 1.2 m Area = x 1.2 x 1.5

= 0.9 m2 Volume What is the volume of a 3-D shape? The total amount of space it takes up. How do we calculate the volume of a cube? Length x depth x height

Volume 2 1.2 m 1.1 m 1.4 m Volume = 1.2 x 1.4 x 1.1 = 1.848 m3 The End

Good Luck

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