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Compiled by Mr. Lafferty Maths Dept. Volume Volume of a cuboid www.mathsrevision.com Liquid Volumes 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Starter Questions Q1. 35% of 360 Q2. Calculate 5 + 6 x 7 www.mathsrevision.com 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Volume of a cuboid Learning Intention Success Criteria To understand how to calculate the volume of cuboid. To know the formula. Use formula correctly. www.mathsrevision.com Show working and appropriate units. 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Volume of a cuboid 3cm 4cm 6cm 18 cubes fit the base. www.mathsrevision.com = 1 centimetre cube = 1 cm³ 4 layers of 18 cubes = 4 x 18 = 72 centimetre cubes = 72 cm³ 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. A short cut ! 3cm 4cm 6cm height Area of rectangle breadth www.mathsrevision.com length Volume = 6 x 3 x 4 = 72 cm³ Volume = length x breadth x height 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Example Working Volume = l x b x h Heilander’s Porridge Oats V = 18 x 5 x 27 V = 2430 cm³ 27cm 5 cm 18 cm 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Example Working Volume = l x b x h V = 2 x 2 x 2 V = 8 cm³ www.mathsrevision.com 2cm 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Find the length the cuboid This just an equation. We know how to solve them ! 4 cm Volume = L x B x H V=200cm3 200 = L x 5 x 4 5 cm www.mathsrevision.com 200 = 20L 10 cm L 20L = 200 L = 10 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Volume of a cuboid Now try N4 Lifeskills TJ Ex 1 Ch18 (page 144) www.mathsrevision.com 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Starter Questions Q1. Find the area of the triangle. 10cm 6cm www.mathsrevision.com Q2. Calculate 40 – 2.95 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Liquid Volume Learning Intention Success Criteria To understand the term liquid volume using millilitres and litres. To know the term liquid volume. Work out volumes using 1ml and litres. www.mathsrevision.com Answer to contain appropriate units. 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Liquid Volume I’m a very small duck! How much water does this hold? 1 cm 1 cm 1 cm Volume = l x b x h = 1 cm³ A cube with volume 1cm³ holds exact 1 millilitre of liquid. A volume of 1000 ml = 1 litre. 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Example Liquid Volume Working Orange Flavour Volume = l x b x h V = 6 x 3 x 12 12 cm V = 216 cm³ = 216 ml 3 cm www.mathsrevision.com 6 cm So the carton can hold 216 ml of orange juice. Remember: 1 cm³ = 1 ml How much juice can this carton hold? 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Example Liquid Volume Working Volume = l x b x h V = 100 x 30 x 50 V = 150 000 cm³ 50 cm = 150 000 ml = 150 litres 30 cm 100 cm How much water can this fish tank hold in litres? 1cm3 = 1 ml 1000 ml = 1 litre So the fish tank can hold 150 litres of water. 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.

Compiled by Mr. Lafferty Maths Dept. Liquid Volume Now try N4 Lifeskills TJ Ex 2 Ch18 (page 146) www.mathsrevision.com 12-Jan-19 Compiled by Mr. Lafferty Maths Dept.