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### TAKS math vocabulary for 7th grade

Allowance Money paid regularly to a person
Approximate Not exact, but close
Area Surface space that is measured in square units
Bar graph Graph that uses bars to make comparisons
Base A side of a 2-dimensional shape or a face of a 3-dimensional solid
Best describes Best explains
Best estimate Closest to the exact amount
Best represents Best shows or matches
Better buy More for the money; is a better deal
Calculate Find the value
Capacity How much a container can hold; volume
Characteristic Specific feature typical of a certain thing
Circle graph Graph that compares parts to a whole
Circular In the shape of a circle
Circumference The distance around a circle (the perimeter of a circle)
Commission An amount of money paid based on the work done (ex. the more sold, the more money earned)
Complement The missing angle measure that will add up to 90º with another angle
Complementary angles Two angles whose sum equals 90 degrees
Cone 3-dimensional solid with a circular base and comes to a point on top
Convert Change from one unit to another
Coordinate plane A 2-dimensional system of intersecting lines used to graph points
Correct place value The right value for a digit based on its placement in a number
Corresponding angles Angles in the same or similar position in similar or congruent shapes
Counterexample An example that doesn’t work
Cube A 3-dimensional solid shaped like a box where all the faces are squares
Cylinder A 3-dimensional solid figure, shaped like a can, with two congruent and parallel circular bases
Cylindrical In the shape of a cylinder
Data A collection of numbers or measurements
Degrees Common unit for measuring temperature or angles
Destination The place where one is going
Determine To find out
Diagram A simplified drawing
Diameter A line segment that passes through the center of a circle and has its endpoints on the circle
Difference The amount between 2 numbers; the result of a subtraction problem
Dimensions Measurements of a shape or solid (ex. length, width and height
Discount An amount of money taken off the full price
Dozen 12 items
Earnings Money received for work or as a reward
Edge Line that connects 2 faces
Equation A mathematical sentence that uses an equal sign
Equilateral triangle A triangle that has three equal sides and three equal angles
Equivalent The same
Equivalent fractions 2 fractions that equal the same amount
Exponent A symbol indicating what power the number is taken to
Expression A combination of numbers and variables connected by one or more operations
Geometric solid 3-dimensional figure
Graphic display Drawing or diagram
Greatest common factor (GCF) The largest number that will evenly divide all the given numbers
Hemisphere Half of a sphere
Identical The same in every way
Independent events Events in which the outcome of the 1st event doesn’t affect the outcome of the 2nd event
Intersect Crosses
Isosceles triangle A triangle with two equal sides and two equal angles
Least common multiple The smallest number that can be evenly divided by all the other given numbers
Line graph Graph that shows change over time
Line plot Diagram showing frequency of data on a number line
Mass Amount of matter in an object
Maximum Largest
Mean The sum of a group of numbers divided by the number of numbers; also known as the average
Median A value found by ordering a group of data from least to greatest and choosing the middle value of the group.
Method A way of doing something
Mode In a group of values, the value that occurs most often
Model To come up with a way to represent a situation, figure, etc.
Negative number Number less than 0
Net A flat pattern that can be cut out and folded up to make a 3-dimensional solid
Nth term Any term in a sequence
Octagonal Something shaped like an octagon - an eight-sided polygon
Ordered pair Two numbers listed in a specific order; it describes a point on the coordinate graph
Parentheses A pair of marks to set something apart; ( )
Parallelogram A quadrilateral with two pairs of congruent, parallel sides
Pentagon A polygon with five sides
Percent The ratio of a number to 100 (per one hundred); the symbol %
Perimeter The distance around a figure
Perspective A view of an object
Pi It has an approximate value of 3.14; symbol is ¶
Pictograph Graph using pictures to represent real objects
Portion Part of a whole
Position in sequence Location in the list of numbers
Positive number Number greater than 0
Possible outcomes All the different ways the situation could work out
Possible unique combinations All the original ways of grouping objects where order doesn’t matter
Prime factorization When a number is written as a product of only prime numbers
Prism A solid figure that has two congruent, parallel polygons as its bases. Its sides are parallelograms
Problem situation Set of circumstances that make up the question
Product The solution of a multiplication problem
Proportion An equation stating that two ratios are equal
Protractor Instrument used to measure and draw angles
Pyramid A solid figure that has triangles for its sides and a polygon as its base
Quotient The solution to a division problem
Radius A length that is half the diameter of a circle; the distance from the center of the circle to the outside of the circle
Random To happen by chance
Range The difference between the least and greatest values in a set of numbers
Rate A ratio that compares two different types of quantities
Rational number A number that can be expressed as a fraction
Record To write down
Rectangle A parallelogram with four right angles
Rectangular prism A prism in which all 6 faces are rectangles
Regular polygon A shape that has all sides equal
Region An area
Relationship The way in which 2 or more things are connected
Represent To stand for
Rule A way of determining terms in a pattern or sequence
Sample space A segment of the larger population to examine
Scale A ratio between 2 sets of measurements
Scale factor How many times bigger or smaller one shape is than the original
Scaling To increase or decrease the size of a figure by a certain factor
Scenario Situation
Sequence A pattern following an order or rule
Set A group of numbers
Similar Same shape, different size
Situation A set of circumstances
Solid figure 3-dimensional shape
Sphere A 3-dimensional solid shaped like a ball
Square To multiply a number by itself
Square root A number that when multiplied by itself results in the original number
Stem and leaf plot An arrangement of numbers that separates the digits into columns
Sum The result of an addition problem
Supplementary angles 2 angles whose sum is 180º
Table An arrangement of data in rows and columns
Temperature How hot or cold something is
Terms Each of the numbers in a sequence
Thermometer An instrument used for measuring temperature
Top, side, front view Different perspectives of a 3-dimensional solid
Total Result of an addition problem
Translation To slide a figure along a straight line
Trapezoid A quadrilateral with only one pair of parallel sides
Triangle A 3 sided shape
Triple To multiple by 3
Twice To multiply by 2
Unit rate A ratio that shows the cost per one unit of measure
Value The amount something is worth
Venn diagram A diagram used to represent sets and relationships between sets
Vertex Corner
Volume The amount of space inside a container; how much something could hold
Weight The pull of gravity on an object, measured in pounds and ounces or kilograms and grams
X-axis The horizontal number line of a coordinate graph
X-coordinate The value on the x-axis used to locate a point on the graph. It is the first value in an ordered pair.
Y-axis The vertical number line of a coordinate graph
Y-coordinate The value on the y-axis used to locate a point
Created by: LMSmath