The Language of Maths Stuart de Boer Teacher Dyslexia Action.

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Transcript of The Language of Maths Stuart de Boer Teacher Dyslexia Action.

The Language of Maths

Stuart de Boer

Teacher

Dyslexia Action

Interrelated Areas in the Learning of Maths

Maths or Literacy ?

You go into a shop with £1. You buy two bags of crisps at 25p each and a bar of chocolate at 35p.

How much change will you get ?

Why does the Dyslexic Student Under-Achieve in

Maths ?Numeracy problems (tables and four operations)Memory (rote learning does not work)Speed (dyslexic student slower)Concentration (usually poorer than peers)Mis-match of learning/teaching styleUndeveloped skills (held back by poor numeracy

skills)Anxiety and self esteem (big problem)Literacy problems

- failure to read and understand the language of maths

Aspects of Maths Language

• READING The ability to read a question correctly (three/there)

• JARGON The ability to understand the specific vocabulary of maths

• SYMBOLS The ability to understand the signs and symbols in maths (with a bit of algebra thrown in for good measure)

The Language of MathsREADING

symmetricalparallelogramperpendicularsphericalconsecutivemillimetremillilitrecongruentquadrilateral

equationcylindricaldenominatorintegerapproximatelyevaluatepercentagecircumferenceisosceles

The JARGON of Maths

angles and angels

multiples LCMfactors HCFthirdeven/oddtimessumsevaluate

differenceirregularaxes (chop chop)originleft angles ?primeplace valuesecond hand (on a

clock)

The Jargon of Addition

• 3 add 4 (or 4 add 3)• 3 + 4 ( or 4 + 3)• What is 4 more than 3? (or 3 more than 4)• What is the total of 3 and 4? (or 4 and 3)• What are 3 and 4 altogether? (or 4 and 3)• What is the sum of 3 and 4? (or 4 and 3)• What is 3 plus 4? (or 4 plus 3)• Increase 3 by 4 (or 4 by 3)

Hidden Addition LanguageI have 4 CDs and buy 3 more how many do I have

now?

There are 6 students in the room and another 2 come in, how many are there now ?

I have 50p and find 10p how much have I got now ?

A plant is 7cm tall and grows 2 cm. How tall is it now ?

In the first leg of a football tie the score was 4 – 3 and in the second leg, 1 – 2. What was the aggregate score ?

The Jargon of Subtraction

• 7 take away 3• What is left if I take 3 from 7 ?• 7 - 3 • What is the difference between 3 and

7 ? (or 7 and 3)• What is 3 less than 7 ?• What is 7 less 3 ?• 7 subtract 3• 7 minus 3 • Decrease 7 by 3

The Jargon of Multiplication

• 5 times 2 (and 2 times 5)• 5 x 2 ( and 2 x 5)• What is the product of 2 and 5 (or 5

and 2)• 2 of 5 (or 5 of 2)• 2 lots of 5 (or 5 lots of 2)• 5 2s (or five twos)• 5 groups of 2 (or 2 groups of 5)

Hidden Multiplication Language

• How much for 30 litres of petrol at 85p per litre ?

• How many bottles in a crate of 12 rows by 8 rows

• How many days in 3 weeks

The Jargon of Division

12 divided by 33 divided into 12How many 3’s in 12How many groups of 3 in 12Split 12 into 3Share 12 by 3Share 3 into 12Group 12 into 3’sHow many times can you subtract 3 from

12

Hidden Division Language• If two pizzas are eaten by eight people,

how much does each person get ?• A box of contains 24 chocolates. How

many each between 3 ?• How many will be in each team if there

are three teams and 18 students ? • How many quarter hour sessions in 3

hours ?• Four friends go for a meal. The total cost

of the meal is £120 – how much each ?

The Language of Maths

• leaves

The Language of Maths

The Language of Maths

The Language of Maths

The Language of Maths

The Language of Maths

The Language of Maths

3 4

The Language of Maths

O

The Language of Maths

The Language of Maths

346,000,000

Winston Churchill

Tony Blair

Albert Einstein

Help for Jargon

• Recognition – that there may be a problem

• Card families – to link clue words to meanings/symbols

• Highlight clue words and symbols – to focus mind in right direction

• Question analysis techniques - what operations are required and in what

order • Pictures of Questions – makes multisensory

• Mnemonics – student generated

• Apply Common Sense – is answer sensible ?

Maths Symbols

More Maths Symbols

Help for Symbols

• Recognition – that there may be a problem

• Card families – to link symbol to meaning

• Practice at writing – so are clear and distinct from

others

• Mnemonics – preferably student generated

• Personalised dictionary – useful reference and revision aid

Numbers and Words

Illogical order

four

fourteen

twenty four

Logical order

4

14

24

Associated Problems

Associated Problems

1979

3456

448

• MCMLXXIX

• MMMCDLVI

• CDXLVIII

Place Value Appreciation

Associated Problems

Orientation and Direction

6 and 9• + and x• Start at left or right ?• Brackets priority (cf. literacy)• 4 + 5 = b !!!!!

The Language of MathsAlgebra

x + 3 = 7

[ ] + 3 = 7

3x + 5

Three times plus five

2(x + 4) = 14 cf 2x + 4 = 14

Help with Algebrax + 3 = 7

Help with Algebra2x + 4 = 14

Help with Algebra2(x + 4) = 14

Help with Algebra

Squares X2

Help with AlgebraCubes X3

Help Summary• Recognition of reading, jargon, symbols

problems• Need for specific literacy help ?• Reader for exams• Card families

• Question analysis techniques

• Mnemonics

• Apply common sense to answers

• Symbol (and number) writing practice

• Personalised dictionary

• Some concrete assistance

And Lastly ………

Just how badly can maths be misunderstood ?

If you are of a nervous disposition please look away now …..

Thank you

for listening

The Language of Measurement - Time

How long ?When ?What time is it ?Seconds (and

sub-divisions)MinutesHours

DaysWeeks (+ fortnights)MonthsYearsDecadesCenturiesMillennia

Intuitive Time• Just a minute• Just a moment, half a sec, two ticks• Half a sec• Half an hour• Eastenders• Typical film• Weeks, months, years

The Language of Measurement - Length

• How long• How far• How big• Length• Distance• Height• Along• Width• Span (of hand or bridge)• End to end

Millimetres (mm)Centimetres (cm)Metres (m)Kilometres (km)Miles (m)

Intuitive Length

• Foot• Stride• Sports distances e.g. 100metres• Football pitch• Distances to familiar places

The Language of Measurement - Capacity

• Volume• How

much• Amount

of Space

Millilitres (ml)Cubic Centimetres

(cc or cm3)Centilitres (cl)Litres (l)PintsGallons

Intuitive Capacity

• Drinks cans/bottles• Cup/mug/beer mug/wine glass• Bottles of wine• Petrol tank• Car engines (note cc/ml confusion)

The Language of Measurement - Time

How long ?When ?What time is it ?Seconds (and

sub-divisions)MinutesHours

DaysWeeks (+ fortnights)MonthsYearsDecadesCenturiesMillennia

The Language of Measurement - Weight

• How heavy• Mass• Load

Grams (g or gm)Kilogrammes (kg)Tonnes (t)

Ounces (oz)Pounds (lb)Stones

Intuitive Weight

• Yourself• Feathers/lead• Postage• Cooking/food• Gymnasium• Brick

Other Measurements

Area

Pressure

Temperature

Humidity

Just number e.g shoe sizes