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8thGradeMathVocab
TAKS math vocabulary for 8th grade
| Question | Answer |
|---|---|
| Acute angle | An angle measuring more than zero degrees but less than 90 degrees. |
| Annual | Once a year |
| Approximate | Not exact, but close |
| Arithmetic sequence | Set of numbers where the same amount is added each time |
| Attached | Connected to |
| 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 |
| Based on experimental results | Comes from acting it out |
| Based on the trend | Comes from looking at the general direction of past events |
| Best approximation | Closest to the exact answer |
| Best estimate | Closest to the exact answer |
| Best illustrated | The best example |
| Box and whisker plot | Graph that shows the median, quartiles and extremes of data |
| Calculate | Find the value |
| Capacity | How much a container can hold; volume |
| Circular | In the shape of a circle |
| Circle graph | Graph that compares parts to the whole |
| Circumference | The distance around a circle; the perimeter of a circle |
| Classify | Sort objects into groups based on one or more characteristics |
| Commission | An amount of money paid based on the work done (ex.the more sold, the more earned) |
| Complementary angles | Two angles whose sum equals 90 degrees |
| Conclusions | Decision based on reasoning |
| Congruent | Having the same size and shape |
| Consecutive | Numbers that follow each other in order |
| Constant | Number that doesn’t change |
| Constant rate | Having a consistent amount of change |
| Container | An object that can hold something |
| Continuously | Without stopping |
| Coordinates | A pair of numbers that give the location of a point on the graph |
| Coordinate plane | A 2-dimensional system of intersecting lines used to graph points |
| Correct place value | The right value for a digits placement in the number |
| Corresponding sides | Sides in the same position on congruent or similar shapes |
| Cube | A 3-dimensional solid shaped like a box, where all faces are squares |
| Cubic unit | A unit for volume |
| Cylinder | A solid figure with two congruent and parallel circular bases |
| Data | A collection of numbers or measurements |
| Data table | An arrangement of numbers or measurements in rows and columns |
| Demonstrate | To show how something works or why it is true |
| Dependent events | Events in which the outcome of the 1st event affects the outcome of the 2nd event |
| Describe | Give the specific characteristics or a figure or situation |
| Diagonal | Line segment joining 2 corners that are not next to each other on any polygon |
| Dilation | Proportional shrinking or enlarging of a figure |
| Dimensions | Measurements of a shape or solid (ex. length, width, and height) |
| Displays | verb: shows, noun: graphic representation |
| Distance | How far between 2 points |
| Double | To multiply by 2 |
| Edge | Line that connects 2 faces |
| Enlarge | To make bigger |
| Equal | The same |
| Equal chance | The probability is mathematically the same |
| Equation | A mathematical sentence that uses an equal sign |
| Equivalent | The same |
| Estimate | A rough approximation or calculation |
| Evaluate | To find the value of |
| Exclude | Leave out |
| Experiment | Act it out |
| Expression | A combination of numbers and variables connected by one or more operations |
| Fair number cube | Dice |
| Formula | An equation with variables used for certain calculations |
| Fraction | Ratio of 2 numbers where denominator is not 0. |
| Generate | Come up with or produce |
| Histogram | A bar graph showing data in groups/ranges |
| Hypotenuse | The longest side of a right triangle; the side opposite the right angle in a right triangle |
| Inaccurate | Wrong |
| Independent events | Events in which the outcome of the 1st event doesn’t affect the outcome of the 2nd event |
| Interior angles | Angles inside a shape |
| Irrational number | Number whose decimal form is non-ending and non-repeating |
| Irregular figure | A shape where not all sides are equal |
| Lateral surface area | Area of all the faces of a 3-dimensional solid except the bases |
| Line graph | Graph to show change over time |
| Line plot | Diagram showing frequency of data on a number line |
| Mean | The sum of a group of numbers divided by the number of numbers, also known as average |
| Measures of central tendency | Mean, median, mode |
| Median | A value found by ordering a group of data form least to greatest and choosing the middle value of the group |
| Mode | In a group of values, the value that occurs most often |
| Most accurate representation | The most correct example |
| Most reliable results | The most trusted information to come out of an experiment |
| Multiples | Numbers that can all be evenly divided by the original number |
| 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 position | Any position in a sequence |
| Nth term | Any term in a sequence |
| Origin | The point (0,0) where the x and y axis intersect |
| Overall decrease | Value went down over time |
| Parallel | Go in exactly the same direction and will never meet |
| Percent | The ratio of a number to 100 (per one hundred); the symbol % |
| Perimeter | The distance around a figure |
| Pi | It has an approximate value of 3.14; symbol is ¶ |
| Positive number | Number greater than 0 |
| Positive trend | Moving in an upward direction over time |
| Potential | The possibility of something happening |
| Prism | A 3-dimensional solid figure that has two congruent, parallel polygons as bases and parallelogram sides. |
| Procedure | An official way of doing something |
| Product | The result of multiplying two or more numbers |
| Proportion | An equation stating that two ratios are equal |
| Pyramid | A 3-dimensional solid that has triangular faces and a polygon base |
| Pythagorean theorem | Formula to find lengths of sides of a right triangle |
| Quadrant | One of four regions formed by the intersection of the x and y axes on a coordinate graph. |
| Quadrilateral | A polygon that has four sides |
| Quotient | The result of dividing one number by another, the solution to a division problem |
| Random | Happening by chance |
| Range | The difference between the least and greatest values in a set of numbers |
| Rational number | A number that can be expressed as a fraction |
| Ratio | A comparison of the values of two numbers |
| Recognize | To know |
| Record | verb: To write down |
| Rectangle | A parallelogram with four right angles |
| Rectangular | In the shape of a rectangle |
| Reduce | To get smaller |
| Reflection | A mirror image of a figure shown over a line of reflection |
| Region | An area |
| Represent | To stand for |
| Revenue | Money brought in by a company |
| Right angle | An angle measuring 90º |
| Rotation | A complete turn |
| Rule | A way of determining terms in pattern or sequence |
| Salary | A fixed regular amount of money made by an employee |
| Sampling methods | Ways to get information about a population (ex. take surveys) |
| Scale factor | Ratio between similar figures; how many times larger or smaller a shape is than the original |
| Scatter plot | Graph comparing 2 sets of data to see the relationship |
| Scientific notation | Way to express very large or small numbers as the product of a number and a power of 10 |
| Sequence | A pattern of numbers following an order or rule |
| Set | Group of numbers |
| Similar | Same shape, different size |
| Solid figure | 3-dimensional shape |
| Solution | Answer to a problem |
| Sphere | 3-dimensional shape like a round ball |
| Square unit | A unit of measuring area |
| Statistical measure | Mean, median, mode |
| Stem and leaf plot | Arrangement of numbers that separate digits into columns |
| Strategy | A plan of action to achieve a goal |
| Surface area | The area of the outside faces of a 3-dimensional solid |
| Survey | A gathering of data or opinions |
| Table | An arrangement of data in rows and columns |
| Three-dimensional | Having length, width and height |
| Top, front, side view | Different perspectives of a 3-dimensional solid |
| Total surface area | The area of all the faces of the outside of a 3-dimensional solid |
| Transformation | Change the shape, position or size of an object |
| Translation | To slide a figure along a straight line |
| Trapezoid | A quadrilateral with only one pair of parallel sides |
| Trend | The general direction something takes |
| Triangle | A 3 sided shape |
| Twice | To multiply by 2 |
| Two dimensional | A flat shape with only 2 measurements, length and width |
| Valid | Makes sense based on the information |
| 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 |
| X-axis | The horizontal number line of a coordinate graph |
| X-coordinate | The value of the x-axis used to locate a point on the graph;the first value in an ordered pair |
| Y-axis | The vertical number line of a coordinate graph |
| Y-coordinate | The value of the y-axis used to locate a point on the graph; the 2nd value in an ordered pair |
| Best represents | Best shows or matches |
| Unit rate | A ratio that shows the cost per one unit of measure |
Created by:
LMSmath
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