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Middle School Math Vocab
Middle School Math Vocab
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Random vocab for middle school math
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93 cards
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1
A number written using digits
Exponential form
Word form
Expanded form
Standard form
2
Pi
3.24
4.13
3.14
4.31
3
The first piece of the order of operations
Exponents
Parentheses
Addition
Perimeter
4
The sum of the angels in a quadrilateral
270 degrees
90 degrees
360 degrees
180 degrees
5
Numbers that are being added
Integers
Quotients
Dividends
Addends
6
Angles that add up to 180 degrees
Inverse angles
Tri angles
Supplementary angles
Complementary angles
7
The distance across a circle
Radius
Diameter
Perimeter
Circumference
8
The symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 ONLY
Digits
Numbers
Numerals
Place values
9
Decreased by, less than, fewer, difference, change
Addition
Subtraction
Division
Multiplication
10
The shortest hand on a clock
Hour Hand
Minute hand
Second hand
Left hand
11
The answer to a division problem
Sum
Difference
Product
Quotient
12
of, area, rate, double, triple
Subtraction
Division
Addition
Multiplication
13
An angle greater than 90 degrees
Obtuse
Right
Similar
Acute
14
The distance around a circle
Radius
Perimeter
Circumference
Diameter
15
They compare amounts, and can be written three ways: with "to", with ":" or as a fraction.
Percent
Product
Proportion
Ratio
16
A 90 degree angle
Acute
Right
Obtuse
Similar
17
To find the average by adding numbers together then dividing by how many were added
Mean
Range
Median
Mode
18
A fraction that has been "flipped upside down."
Mixed number
Reciprocal
Proper fraction
Improper fraction
19
A straight line is...
90 degrees
270 degrees
360 degrees
180 degrees
20
The same shape but different sizes
Congruent
Parallel
Polygons
Similar
21
A number that has more than two factors
Prime
Expression
Composite
Equation
22
The distance around a shape
Length
Perimeter
Volume
Area
23
Tenths, Hundredths, Thousandths, Ten thousandths, Hundred thousandths...
Order of operations
Decimal place values
Order of Digits
Whole Number place values
24
A quadrilateral with four 90 degree angles
Rectangle
Parallelgram
Rhombus
Trapezoid
25
To change a mixed number to an improper fraction...
Denominator ⋅ Numerator + Whole, Denominator stays the same
Numerator ⋅ Denominator + Whole, Numerator stays the same
Whole ⋅ Denominator + Numerator, Denominator Stays the same
Whole ⋅ Numerator + Denominator, Denominator stays the same
26
In one year there are _____ days.
335
235
365
385
27
To find the average of numbers by putting them in order and selecting the value in the middle.
Mode
Mean
Median
Range
28
Before multiplying or dividing mixed numbers, rewrite them as ________
Whole numbers
Proper fractions
Reciprocals
Improper fractions
29
The counting numbers (1, 2, 3, 4...)
Integers
Real Numbers
Finite Numbers
Natural Numbers
30
Things that have the same size and shape
Parallel
Congruent
Vertical
Similar
31
A four sided shape
Octagon
Triangle
Quadrilateral
Pentagon
32
Numbers that are divisible by 5...
end in 5
end in 0 or 5
are even
end in 0, 2, 4, 6, or 8
33
The number of degrees in a circle
90
180
360
720
34
The name for (0,0) on a coordinate plane
Origin
Vertex
Face
Base
35
Rounding numbers before using them
PEMDAS
Dividing
Order of Operations
Estimating
36
The number of pounds in a ton
100
10
1,000
2,000
37
A quadrilateral with one set of parallel sides
Trapezoid
Parallelogram
Rectangle
Rhombus
38
Up and down
Vertical
Horizontal
Right angle
Perpendicular
39
The inside of a 3D shape
Perimeter
Volume
Size
Area
40
Polygon
A shape with more than three sides
A shape with curved sides
A shape with straight sides
A four sided shape
41
A line with two end points
Line segment
Line
Ray
Perimeter
42
The top number in a fraction
Whole number
Numerator
Denominator
Improper fraction
43
A mathematical phrase that can contain numbers, variables and operations.
Variable
Expression
Coefficient
Equation
44
The difference between the smallest and largest of a set of numbers
Mode
Mean
Median
Range
45
A rectangle whose sides are all the same length
Parallelogram
Quadrilateral
Square
Rhombus
46
A number written using its place values as addends
Word Form
Numerical Form
Expanded Form
Standard Form
47
A number that multiplies a variable (ex: the 4 in 4x
2)
Divisor
Variable
Coefficient
Quotient
48
To find area:
Length times width times height
Add all side lengths
Length times width
Multiply all side lengths
49
A way of writing very small or very large numbers (ex: 25 ⋅ 10
13
)
Standard Form
Expanded Form
Scientific Notation
Exponential Notation
50
The bottom number of a fraction
Improper
Whole number
Denominator
Numerator
51
The biggest factor that numbers share
Least Common Multiple
Greatest common factor
Composite
Prime
52
A letter that represents a number
Coefficient
Variable
Percent
Fraction
53
To find the average by selecting the number that is repeated most often
Median
Mean
Range
Mode
54
How likely it is for something to happen
Reflection
Translation
Probability
Geometry
55
A number that can be expressed as a fraction, positive or negative
Irrational Number
Rational Number
Fractional number
Whole Number
56
Side to side
Parallel
Horizontal
Vertical
Perpendicular
57
Fractions that have the same value but are written differently.
Proper fractions
Improper fractions
Simplified fractions
Equivalent fractions
58
The answer to an addition problem
Perimeter
Product
Sum
Difference
59
Any whole number, positive or negative
Fraction
Numeral
Coefficient
Integer
60
Ones, Tens, Hundreds, Thousands, Ten Thousands...
Order of digits
Order of Operations
Whole Number Place Values
Decimal Place Values
61
Reducing a fraction is also called...
Improper fraction
Proper fraction
Simplifying
Solving
62
A corner, or the point where two lines meet
Integer
Congruent
Reciprocal
Vertex
63
A number that has exactly 2 factors: 1 and itself
Composite
Prime
Factor
Multiple
64
The answer to a subtraction problem
Difference
Quotient
Product
Sum
65
The distance from a number to zero
Absolute Value
Temperature
Integer
Equation
66
The sum of the angles in a triangle
270 degrees
180 degrees
360 degrees
90 degrees
67
The number that shows how many times to multiply a base number by itself.
Product
Numerator
Exponent
Quotient
68
A quadrilateral with all four sides the same length
Trapezoid
Rectangle
Parallelogram
Rhombus
69
An equation saying that two ratios are equal
Percent
Proportion
Ratio
Decimal
70
The number of cups in a pint
2
4
8
16
71
An angle less than 90 degrees
Complementary
Obtuse
Right
Acute
72
Angles that add up to 90 degrees
Supplementary angles
Inverse angles
Acute angles
Complementary angles
73
Grouping symbols
Quotients
Numerals
Parentheses
Operations
74
Making a number simpler by changing it to something that's close but easier to work with
Sleeping
Rounding
Calculating
Multiplying
75
Numbers that can be multiplied to make a certain number (ex ~ 8: 1, 2, 4, 8)
Variables
Dividends
Factors
Mulitples
76
Intersecting lines...
cross or touch each other
are supplementary
are the same distance apart in all places
meet at 90 degrees
77
The number of inches in a foot
8
10
12
16
78
Relationship of a part to a whole
Decimal
Fraction
Ratio
Number sentence
79
A number used to tell order (1st, 2nd, 3rd...)
Natural Numbers
Integers
Ordinal Numbers
Whole Numbers
80
Step-by-step procedure for solving a problem
Algorithm
Function
Input-output table
Equation
81
The answer to a multiplication problem
Difference
Sum
Quotient
Product
82
Altogether, combined, total
Multiplicaiton
Subtraction
Addition
Division
83
The number of quarts in a gallon
16
8
4
2
84
Operations that undo each other (Addition and subtraction, multiplication and division...)
Reciprocals
Algorithms
Inverse operations
Complementary operations
85
Lines that are the same distance apart in all places
Parallel
Perpendicular
Right Angle
Congruent
86
A line that cuts across parallel lines
transversal
similar
variable
perpendicular
87
A polygon with two sets of parallel sides
Quadrilateral
Parallelogram
Trapezoid
Rhombus
88
A relationship between two variables; x relating to y
Function
Equation
Bar graph
Circle graph
89
They are always out of 100
Decimals
Percents
Ratios
Fractions
90
The space inside a polygon
Perimeter
Volume
Capacity
Area
91
The distance from the center of a circle to the edge
Area
Radius
Diameter
Circumference
92
The grid where you place ordered pairs (x,y)
Bar Graph
Pie Chart
Number line
Coordinate Plane
93
Three feet equals one...
Inch
Centimeter
Yard
Meter
