1. www.mathsrevision.com Volume of a cuboid Liquid Volume… Capacity The Volume of a cuboid

2. www.mathsrevision.com www.mathsrevision.com Starter Questions 5cm 6cm Exchange Rate £1 =$1.50

3. www.mathsrevision.com www.mathsrevision.com Learning Intention Success Criteria 1.To know the formula. 1.To understand how to calculate the volume of cuboid. 2.Use formula correctly. 3.Show working and appropriate units. appropriate units. Volume of a cuboid

4. 4 layers of 18 cubes = 4 x 18= 72 centimetre cubes= 72 cm³ 18 cubes fit the base. = 1 centimetre cube = 1 cm³ 3cm 4cm 6cm www.mathsrevision.com

5. A short cut ! 6 = 72 cm³ Volume =lengthx breadth x 4 x height length breadth height x 3Volume = 3cm 4cm 6cm Area of rectangle

6. Volume = l x b x h V = 18 x 5 x 27 V = 2430 cm³ Example 1 18 cm 5 cm 27cm Heilander’s Porridge Oats Working www.mathsrevision.com

7. Example 2 2cm Volume = l x b x h V = 2 x 2 x 2 V = 8 cm³ Working www.mathsrevision.com Calculate the volume of the dice.

8. Now try Exercise 2 Ch16 (page 186) Volume of a cuboid www.mathsrevision.com

9. www.mathsrevision.com Starter Questions 7cm Exchange Rate £1 =$1.50

10. www.mathsrevision.com www.mathsrevision.com Liquid Volume Learning Intention Success Criteria 1.To know the term liquid volume. 1.To understand the term liquid volume using millilitres and litres. 2.Work out volumes using 1ml and litres. 3.Answer to contain appropriate units. appropriate units.

11. 1 cm Volume = = 1 cm³ x hx b l How much water does this hold? A cube with volume 1cm³ holds exact 1 millilitre of liquid. A volume of 1000 ml = 1 litre. I’m a very small duck! Liquid Volume

12. Example 1 12 cm 6 cm 3 cm Orange Flavour Volume = l x b x h V = 6 x 3 x 12 V = 216 cm³ = 216 ml So the carton can hold 216 ml of orange juice. How much juice can this carton hold? Remember: 1 cm³ = 1 ml Working Liquid Volume www.mathsrevision.com

13. Example 2 50 cm 100 cm 30 cm Volume = l x b x h V = 100 x 30 x 50 V = 150 000 cm³ = 150 000 ml So the fish tank can hold 150 litres of water. How much water can this fish tank hold in litres? 1cm 3 = 1 ml 1000 ml = 1 litre = 150 litres Working Liquid Volume

14. Now try Exercise 3 Ch16 (page 189) Liquid Volume www.mathsrevision.com