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Acute TriangleA triangle that hasonly acute anglesA triangle that hasonly acute anglesA triangle that hasonly acute angles
AreaQuotient
The amount of objects. Itis measured in squareunits.
The answer to a dividingquestion (it does notinclude the remainder) 12 divided by 6= 2 �
Axis:A horizontal or vertical line in agraph each axis is labeled usingwords or numbers that explainwhat the lines, bars, or picturesused in the graph mean.
______________________________1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 horizontal axis
Bar graphIsosceles
A graph that useshorizontal or verticalbars to represent data
A triangle with twoequal sides
ProductThe answer to amultiplicationquestion 4x5=20
Bar graphIsosceles
A graph that useshorizontal or verticalbars to represent data
A triangle with twoequal sides
ProductThe answer to amultiplicationquestion 4x5=20
Broken-LineGraphGreater Than
A graph thatconnects each pointof data using lines.
A sign used tocompare number
Carroll diagramNet
A diagram that usesrows and columns toidentify.
A 2-D shape that youcan fold to make a 3-D shape.
Degree CelsiusDigit
A unit of measure usedto record temperature.Water Freezes at 0ºCand boils at 100ºC.
A digit is the numbersymbols from 0 to 9.
33ºC 20ºC 55ºC 15ºC 1ºC 75ºC
1, 2, 3, 4, 5, 6, 7, 8, 9,
Mean An average value fora set of numbers 5, 3, 4 mean = 420, 10 mean = 153, 6, 3 mean = 4
Circumference
Heptagon
The distance around
a circle.
A seven sided shape.
Perpendicular
A line that right
angles to another.
Clockwise
Hexagon
The direction that thehands on the analogclock move
A six-sided shape
Obtuse anglesAn angle that measuresmore than 90° and lessthan 180°
3,6,9,12 Difference is 3
A ratio thatcompares an amountto 100.
CommonPercent
Within a pattern, thedifference between all thenumbers is the same.
%
Composite
numbers
Ordinal number
A number that has
more than two
factors.
A number’s place in
a sequence.
16: 1,2,4,8,16
1 , 2 , 3 , 4 ...st nd rd th
CongruentShapes that match.(Their sides andangles are equal) G Q
ConcaveConvex
A curved or pointedsurface(the inside ofa cave)
Curved or pointedoutwards (the outsideof a cave)
Counterclockwise
Hypothesis
The opposite
direction the hands
on a clock move.
An idea you can test. If four multiplied by
7 is 28, then 28
divided by 7 is 4.
Decametre
Height
Ten metres a unit ofmeasure for length.
The distance from thebottom to the top of ashape, measured straightup and down.
One decametre = 10 metres
DecimalEquivalentNumerator
When two numbers orparts of numbersrepresented by fractions ordecimals equal each other.
The numberabove the dividingbar in a fraction
¼ = 0.25
¼
DenominatorNonlinear PatternThe bottom numberin a fraction.
A pattern where thedifference between thenumbers is not always thesame. 4, 7, 9, 18.
DividendImproperFraction
The number thatanother number willdivide into.
A fraction in which thenumerator is bigger thanthe denominator.
16 divided by 4
10 2
EquationLine of symmetryA statement in mathwhere both sides equaleach other
A line that divides a 2-Dshape so that both sidesare exactly the same
2 + 2 = 48 +8 = 163 X 6 = 18
EquilateralPyramid
A triangle that has allequal sides
A 3-D shape with a polygonfor a base the other faces aretriangles that meet at asingle vertex
Expanded FormPerimeter
A way to write anumber that shows thevalue of each digit.
The distancearound a shape.
3524 = 3000 + 500 +20 + 4
FactorPentagon
A whole number thatdivides another wholenumber with noremainder.
A five sided shape
1, 2, 3, 4, 6, 12 are allfactors of 12
Fraction
Millilitre(mL)Numbers that are usedto represent a whole orpart of a number.
Used whenmeasuring capacity.
Circumference
Heptagon
The distance around
a circle.
A seven sided shape.
Perpendicular
A line that right
angles to another.
PolyhedronVertical line
A 3-D shape withpolygons for faces eg.prisms or pyramids.
A line that goes up anddown.
Prime NumberMedian
A number that hasonly two factors, 1and itself.
The middle numberin a set of numbers.
1, 3, 5, 7, 11, 13
2, 2, 4, 5, 6, 6, 9
PrismMass
A 3-D shape withopposite congruent bases,the other faces areparallelograms.
The amount ofmatter in an object
RatioRectangle
A comparison of twonumbers or quantitiesmeasured in the sameunits.
A polygon that is aquadrilateral figure withfour straight angles.
ReflectionRegular Polygon
A flip of a 2-D shape whereeach vertex flips to the oppositeside of the reflection line, butstays the same distance from theline.
A polygon that has equalsides and equal angles.
RatioRectangle
A comparison of twonumbers or quantitiesmeasured in the sameunits.
A polygon that is aquadrilateral figure withfour straight angles.
2:4 3:1 7:10 3:16
ReflectionRegular Polygon
A flip of a 2-D shape whereeach vertex flips to the oppositeside of the reflection line, butstays the same distance from theline.
A polygon that has equalsides and equal angles.
RhombusRight Angle
A quadrilateral with fourequal sides.
An angle that makes asquare corner andmeasures 90 degrees
Right TriangleRotation
A triangle with one rightangle.
A turn of a shape whereeach vertex must stay anequal distance from thecentre of the rotation.
RotationalSymmetryA shape that fits on itselfexactly more than once ina complete rotation.
RowA set of items lined uphorizontally.
RhombusRight Angle
A quadrilateral with fourequal sides.
An angle that makes asquare corner andmeasures 90 degrees
90
Right TriangleRotation
A triangle with one rightangle.
A turn of a shape whereeach vertex must stay anequal distance from thecentre of the rotation.
RotationalSymmetryA shape that fits on itselfexactly more than once ina complete rotation.
RowA set of items lined uphorizontally. 2, 10, 14, 22, 32,
ScaleScalene
The size of a modelcompared with what itrepresents.
A triangle that has no twosides equal in length.
Scatter PlotSide
A graph that plotscoordinate pairs to helpcompare two sets of data.
A line that stretches fromone vertex to the other toform a polygon.
SquareSquareA quadrilateral with fourequal sides and four rightangles.
TallyT-Chart
A method of recordingdata using one verticalstroke as the number.
A chart uses two columnsto record relatedinformation.
TransformationsA mapping of points thatresults in a change ofposition, orientation orsize.
Tiling PatternA pattern that fitstogether repeatedcongruent shapes.
TranslationA slide of a shape along astraight line.TrapezoidA quadrilateral withexactly 2 parallel lines.
TriangleA polygon with three sides.
VariableA letter or symbol used torepresent a quantity thatchanges.Venn DiagramA way of showing thedifferences and similaritiesbetween two groups ofdata.
Vertex(pl. vertices) The point atthe corner of an angle orshape. vertexVolumeThe amount of spaceoccupied by an objectidentified by cubic units.
Whole NumbersThe counting numbers thatbegin at 0 and continueforever: 0,1,2,3....X- axisThe horizontal number linein the Cartesian coordinatesystem. X
Y- axisThe vertical number line inthe Cartesian coordinatesystem.
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