Mathematics Vocabulary Cards – Grade 5
Table of Contents
Number and Number SenseDecimal Place ValueMixed NumberEquivalent FractionsPrime NumbersComposite NumbersEven and Odd Numbers
Computation and EstimationFraction: AdditionFraction: Subtraction
MeasurementArea: Square unitsPerimeter: UnitsVolume: Height, Width, LengthEquivalent Measurements: Kilometer,
Meter, CentimeterEquivalent Measurements: Kilogram, GramsEquivalent Measurements: Liter, MillilitersMillimeter: CentimeterChordDiameterRadiusCircumferenceAcute AngleObtuse AngleRight AngleStraight Angle
GeometryAcute TriangleRight TriangleObtuse TriangleEquilateral TriangleScalene TriangleIsosceles TriangleProtractor
Geometry (continued)Rectangle: Right AngleSquare: Right AngleParallelogramRhombusTrapezoidSubdivideCombine
Probability and StatisticsSample SpaceLine GraphStem-and-Leaf PlotMeasures of CenterMean as Fair ShareMeanMedianModeRange
Patterns, Functions and AlgebraPatternsOpen SentenceVariable ExpressionIdentity Property: Addition and
MultiplicationCommutative Property: Addition and
Multiplication Associative Property: Addition and
MultiplicationDistributive PropertyNumber LineEquationEquality
Virginia Department of Education, 2012 Mathematics Vocabulary Cards – Grade 5 Page 1
DecimalPlace Value
decimal point
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One
s
Tent
hsH
undr
edth
s
Thou
sand
ths
3 . 7 2 1
Mixed Number
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whole fraction
1
Equivalent
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=
=
0.5
Prime Number
has exactly two different factors,
1 and itself
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=
2, 3, 5…97
Composite Number
has more than twodifferent factors
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factors of 6: 1, 2, 3, 6
Even and Odd Numbers
4 - even
3 - odd
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Fraction Addition
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+
Fraction Subtraction
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Area
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1 2 3 45 6 7 89 10 11 12
12 square units
Perimeter
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3 + 4 + 3 + 4
14 units
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4
4
3 3
Volume
height
length width
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Equivalent
Measurements
1 kilometer = 1,000 meters
1 meter = 100 centimetersVirginia Department of Education, 2012 Mathematics Vocabulary Cards – Grade 5 Page 14
1 centimeter = 10 millimeters
Equivalent
Measurements
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1 kilogram = 1,000 grams
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Equivalent
Measurements
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1 liter = 1,000 milliliters
Millimeter
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10 millimeters = 1 centimeter
Chord
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Circumference
perimeter
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Acute Angle
less than 90º
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Obtuse Angle
greater than 90º, but less than 180º
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Right Angle
exactly 90º
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Straight Angle
.exactly 180º
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Acute Triangle
all angles less than 90 º
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Right Triangle
one 90 º angle
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Obtuse Triangle
one angle greater than 90º
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EquilateralTriangle
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33
3
ScaleneTriangle
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IsoscelesTriangle
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33
Rectangle
right angle
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2
5
Square
right angleVirginia Department of Education, 2012 Mathematics Vocabulary Cards – Grade 5 Page 35
3
3
3
3
Parallelogram
opposite sides parallel
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3
4
Rhombus
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3 3
3 3
Trapezoid
one pair of parallel sides
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Sample
Space
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Pizz
a C
hoic
es
Tree Diagram
Line GraphVirginia Department of Education, 2012 Mathematics Vocabulary Cards – Grade 5 Page 42
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Tem
pera
ture
(F)
Temperature Over Time
Stem-and- Leaf PlotStem Leaf
1 7, 82 2, 4, 5, 6, 93 3, 7, 9, 945 0
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Key: 1 7 means 17
Measures of Center
Mean – averageMedian – middle
Mode – occurs most frequently
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Mean as Fair Share
two for you
and two for me
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Meanfair shareaverage
6, 9, 8, 8, 9
6 + 9 + 8 + 8 + 9 = 4040 ÷ 5 = 8
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Median6, 7, 8, 9, 9
8 = median
5, 6, 8, 9, 11, 12
8.5 = median
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Mode
6, 7, 8, 9, 9
occurs most frequently 9 = mode
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Range6, 7, 8, 9, 9
6 least value in the data set
9 greatest value in the data set
range = 9 – 6 = 3
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PatternsWhat is the relationship?
Input Output
0 0 1 2 3 6 6 12
8 16
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10 ___
The output is 2 times the input
and could be written as 2x.
Open Sentence
3 + b = 7
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variable
Variable Expression
4 + s Virginia Department of Education, 2012 Mathematics Vocabulary Cards – Grade 5 Page 54
variable
Identity Property
Addition:8 + 0 = 8
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0 + 12 = 12
Multiplication:5 x 1 = 5
1 x 22 = 22
Commutative Property
Addition:12 + 5 = 17
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5 + 12 = 17
Multiplication:12 x 9 = 1089 x 12 = 108
Associative Property
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Addition: (2 + 5) + 4 = 2 + (5 + 4)
Multiplication:(3 x 2) x 4 = 3 x (2 x 4)
Distributive Property
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3(4 + 5) = 3 x 4 + 3 x 5
(3 x 4) + (3 x 5) = 3(4 +5)
Number Line
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0 1 2 3 4 5 6 7 8
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Equation3 + 5 = 10 - 2
4 = 6 - 2
12 ÷ 4 = 3
56 = 8n
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Equality
= 13 + 25 = 30 + 8
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