Mon Feb 6th – Total Surface area of 3d shapes - Cuboids, Cylinders, prisms

LEARNING OBJECTIVE: understand how to find the total surface area of a 3d object – cuboid, cylinder, cone, and pyramid

SUCCESS CRITERIA: You will be able to find the TSA of Cuboids, Cylinder, cones and pyramids

STARTER:

1. What is the total surface area of the following two cuboids
   
   1. Length 3cm, width 4cm height 6cm
      
   2. Length 5m, width 2m, height 3m
      
   3. 
      
2. My lounge is 4m by 5m and is 2.4m high. I want to paint all the walls (ignore doors and windows)
   

   How much will it cost me if the paint I require is £11.56 a litre and 1 litre will cover 5m²
   

LESSON: Discussion on Surface area including net of a 3d shape. Look at some Prisms to find TSA of, including cylinders.

Have a go at This Worksheet

PLENARY: Checking Answers. Stopping and going over problems with whole class/tables/small groups.