5m 3m 5m 2m 2m 30cm 60cm 10cm 20cm 12m 12m 22m 18m 42cm 6cm 6cm 20cm 6cm 22cm 65cm
5m 3m 5m 2m 2m 30cm 60cm 10cm 20cm 12m 12m 22m 18m 42cm 6cm 6cm 20cm 6cm 22cm 17m 65cm 185cm 176m 12m 12m 12m 12m 12m 12m 42-12= 30cm 28cm 2cm 134cm
Room A Room B Rm D Room C Area of Room A =  Area of Room B = Area of Room C = Area of Room D = Whole area of all rooms = 35m 40m 30m 25m 50m cm 2 1. 2. 3. 4.
Room A Room B Rm D Room C Area of Room A = 3.5 x 8 = 28m 2   Area of Room B = 6.5 x 3 = 19.5m 2 Area of Room C = 5 x 4 = 20m 2 Area of Room D = 2.5 x 5 = 12.5m 2 Whole area of all rooms = 10 x 8 = 80m 2 3.5m 4m 3m 2.5m 5m cm 2 9cm 2 10cm 2 13cm 2 10.5cm 2 1. 2. 9 3. 4.
l x b x w =  What is the  volume of this Box? 6cm 4cm 10cm
l x b x w = 4 x 2 x 4 = 32cm 3 What is the  volume of this Box? 6cm 4cm 10cm 4cm 3 20cm 3 6 x 4 x 10 = 240cm 3

Class Activity

  • 1.
  • 2.
    5m 3m 5m2m 2m 30cm 60cm 10cm 20cm 12m 12m 22m 18m 42cm 6cm 6cm 20cm 6cm 22cm 65cm
  • 3.
    5m 3m 5m2m 2m 30cm 60cm 10cm 20cm 12m 12m 22m 18m 42cm 6cm 6cm 20cm 6cm 22cm 17m 65cm 185cm 176m 12m 12m 12m 12m 12m 12m 42-12= 30cm 28cm 2cm 134cm
  • 4.
    Room A RoomB Rm D Room C Area of Room A = Area of Room B = Area of Room C = Area of Room D = Whole area of all rooms = 35m 40m 30m 25m 50m cm 2 1. 2. 3. 4.
  • 5.
    Room A RoomB Rm D Room C Area of Room A = 3.5 x 8 = 28m 2 Area of Room B = 6.5 x 3 = 19.5m 2 Area of Room C = 5 x 4 = 20m 2 Area of Room D = 2.5 x 5 = 12.5m 2 Whole area of all rooms = 10 x 8 = 80m 2 3.5m 4m 3m 2.5m 5m cm 2 9cm 2 10cm 2 13cm 2 10.5cm 2 1. 2. 9 3. 4.
  • 6.
    l x bx w = What is the volume of this Box? 6cm 4cm 10cm
  • 7.
    l x bx w = 4 x 2 x 4 = 32cm 3 What is the volume of this Box? 6cm 4cm 10cm 4cm 3 20cm 3 6 x 4 x 10 = 240cm 3