num 13-dec-15created by mr. lafferty maths dept. converting units lengths weights volume

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21 Apr 202321 Apr 2023 Created by Mr. Lafferty Maths Dept.Created by Mr. Lafferty Maths Dept.

Converting UnitsConverting Unitsw

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Lengths

Weights

Volume

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Starter QuestionsStarter Questionsw

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680

1. 19 + 32

2. Calculate 10% of 50

3. What is the name of the shape will this net make.

4. 2

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21 Apr 202321 Apr 2023 Created by Mr. Lafferty Maths Dept.Created by Mr. Lafferty Maths Dept.ww

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1.1. Understand rules for Understand rules for converting lengths.converting lengths.

1. We are learning how to convert between millimetre (mm) , centimetres (cm) , metres (m) and kilometres (km).

ConversionsConversions

2.2. Use in context problems.Use in context problems.

Length

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Units of Length Units of Length Converting Converting

MeasurementsMeasurements

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(km)

metres(m)

centimetres(cm)

millimetres(mm)

10

100

1000

1000

100

10

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Convert 2m to cm : 2 x 100 = 200 cm

Convert 4km to m : 4 x 1000 = 4000 m

Convert 34cm to mm :34 x 10 = 340 mm

Convert 50cm to m : 50 ÷ 100 = 0.5 m

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21 Apr 202321 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.

Now try LifeskillsEx 1

Ch9 (page 76)

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4. Calculate the value of the missing angle. 28 o

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1.1. Understand rules for Understand rules for converting liquid.converting liquid.

1. We are learning how to convert between millilitre (ml) , centilitres (cl) and litres (l).



Liquid

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Units of Liquid Units of Liquid Converting Converting


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litres(l)

centilitres(cl)

millimetres(mm)

10

100

100

10

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Liquid VolumeLiquid Volumew

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Litres

How much liquid in the jug ?

Count the number of small divisionsbetween 0 and 1 litre

5

Each division is worth

1 litre ÷ 5 =

1000ml ÷ 5 = 200ml

200ml x 4 = 800ml

1litre = 1000ml

Reading Scales

2

0

1

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Litres

How much liquid in the jug ?


5


1 litre ÷ 5 =

1000ml ÷ 5 = 200ml

200ml x 7 = 1400ml or 1.4 litres

1litre = 1000ml

Reading Scales

1

2

0

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How much liquid in the jug ?( Careful different scale)


4


1 litre ÷ 4 =

1000ml ÷ 4 = 250ml

250ml x 7 = 1750ml or 1.75 litres

1litre = 1000ml

Reading Scales

1

2

0

Litres

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Converting WeightsConverting Weightsw

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Convert 3 l to cl : 3 x 100 = 300 cl

Convert 8 cl to ml : 8 x 10 = 80 ml

Convert 40 ml to cl : 40 ÷ 10 = 4 cl

Convert 6000 ml to l :6000 ÷ 1000 = 6 l

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Ch9 (page 78)

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Converting Converting VolumeVolume

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4. Calculate the value of the missing angle.

42o

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1.1. Understand rules for Understand rules for converting weight.converting weight.

1. We are learning how to convert between milligram (mg) , gram (g) , kilogram (kg) and tonne (t).



Weight

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Units of Weight Units of Weight Converting Converting


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kilogram(kg)

grams(g)

milligrams(mg)

1000

1000

1000

1000

1000

1000

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Converting WeightsConverting Weightsw

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Convert 4 t to kg : 4 x 1000 = 4000 kg

Convert 9 g to mg : 9 x 1000 = 9000 mg

Convert 2000 g to kg :2000 ÷ 1000 = 2 kg

Convert 5000 kg to t :5000 ÷ 1000 = 5 t

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Ch9 (page 79)

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Converting Converting WeightsWeights

num 13-dec-15created by mr. lafferty maths dept. converting units lengths weights volume

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