Mathematics Mathematics Glossary.Glossary.

This glossary is for people to use if they don’t know a strategy to use when they are stuck. Questioning and Problem Posing.

ContentsContents

Counting Page 3Counting Page 3 Addition page 4Addition page 4 Subtraction page 5Subtraction page 5 Multiplication Page 6 Multiplication Page 6 Division page 7Division page 7 Equivalent Page 8Equivalent Page 8 Angles page 9Angles page 9

CountingCounting

Counting-Saying or writing numbers Counting-Saying or writing numbers down up wards and d own wards.down up wards and d own wards.

Eg:Eg: -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 <<Number line <<Number line Eg:3-6-9-12-15-18-21-24-27-30Eg:3-6-9-12-15-18-21-24-27-30Eg: 0.52-0.58-0.62-0.68-0.72-0.78Eg: 0.52-0.58-0.62-0.68-0.72-0.78

4 4

AdditionAddition

Addition-Putting one and another Addition-Putting one and another number to create a whole number.number to create a whole number.

Eg: 0.625Eg: 0.625And 7.893And 7.893Makes 8.518Makes 8.518Eg: 789 and 362 makes 1151Eg: 789 and 362 makes 1151Eg: $13.2 and $6.8 makes $20Eg: $13.2 and $6.8 makes $20Eg: 7/4 and 5/8 makes 2 3/8 Eg: 7/4 and 5/8 makes 2 3/8

SubtractionSubtraction

Subtraction-Having one number Subtraction-Having one number taking it away from another number.taking it away from another number.

Eg: 368 take away 269 makes 99Eg: 368 take away 269 makes 99

Eg:Eg: 799799

Take away Take away 699699

MakesMakes 100 100

Eg: -24.6 take away -22.2 makes -46.8Eg: -24.6 take away -22.2 makes -46.8

MultiplicationMultiplication

Multiplication- Groups of things Multiplication- Groups of things together or in rows/arrays.together or in rows/arrays.

******************** Four groups of Four**** Four groups of Four******** 10cm10cm

100354 10cm 10cm100354 10cm 10cm 66 602124602124 10cm10cm P= 40cmP= 40cm A=100cmA=100cm²²

DivisionDivision

Sharing things between a certain amount of Sharing things between a certain amount of people or things evenly.people or things evenly.

Eg: 2Eg: 2250 250 125 125

006006

Eg: 120Eg: 120720720

Eg:******************** <Share Between 2 Eg:******************** <Share Between 2 groups of 10.groups of 10.

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EquivalentEquivalent

Things that are exactly the same like identical Things that are exactly the same like identical twins.twins.

Eg: Eg: Right Eg: Eg: Right AngleAngle

(90(90◦◦))

Eg: Half = 2/4Eg: Half = 2/4Eg: 0.5= HalfEg: 0.5= HalfEg: 2/4 = HalfEg: 2/4 = Half

Eye Colours

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Brown Black Blue Green

Colours

Nu

mb

er o

f p

eop

le

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AnglesAngles

Angles- two lines that meet up to create Angles- two lines that meet up to create a corner.a corner.

Angles are measured with a protractor a Angles are measured with a protractor a semi circle or a full circle. Measuring an semi circle or a full circle. Measuring an angle you always start from the 0 and angle you always start from the 0 and end up from a number between 0end up from a number between 0-180-180

<Right <Right angle 90angle 90

Continue to next slide.Continue to next slide.

Angles, examples.Angles, examples. Angles are have their own name.Angles are have their own name.

Next Slide for more definitionsNext Slide for more definitions..

More definitionsMore definitions

Angles are used in life when you’re moving Angles are used in life when you’re moving furniture into a house so you need to furniture into a house so you need to measure if it’s a right angle (90measure if it’s a right angle (90) or and ) or and acute angle(90acute angle(90-0-0) )

Acute angle.Acute angle.

Click Here for last slideClick Here for last slide

More examples.More examples.

All triangles= 180All triangles= 180

^65^65 << << 360360(revolution)(revolution)

StrategiesStrategies

The Habits Of Mind I use to do this The Habits Of Mind I use to do this work was applying past knowledge to work was applying past knowledge to new situations, striving for accuracy new situations, striving for accuracy and thinking flexibly because I had to and thinking flexibly because I had to think of different ways to create a think of different ways to create a sum.sum.