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