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Math Vocabulary
WES math vocabulary 2018
| Question | Answer |
|---|---|
| an angle that is less than 90 degrees | acute angle |
| an angle that is more than 90 degrees and less than 180 degrees | obtuse angle |
| what we measure angles in | degrees |
| an angle with a measure of less than 90 degrees | acute angle |
| an angle with a measure greater than 90 degrees and less than 180 degrees | obtuse angle |
| a number that has more than two factors | composite |
| 1) a regular solid with six square faces | cube |
| a graph that uses a line to show how data change over time | line graph |
| a number found by dividing the sum of two or more addends by the number of addends, often referred to as the average | mean |
| when one half of an image is the mirror image of the other half | symmetry |
| the value of a digit three places to the right of the decimal | thousandths |
| a triangle with all sides the same length | equilateral triangle |
| a triangle that has at least 2 congruent sides | isosceles triangle |
| a triangle whose largest angle measures greater than 90 degrees | obtuse triangle |
| a triangle that has one 90 degree angle | right triangle |
| a triangle that has no congruent sides | scalene triangle |
| the number of cubic units it takes to fill a solid | volume |
| a whole number greater than 1 that has exactly 2 factors, 1 and itself. | prime number |
| any whole number greater than one that has more than 2 factors. | composite number |
| the greatest of the common factors of two or more numbers. | greatest common factor (GCF) |
| Number that cannot be divided by 2. | Odd Number |
| Number that is divisable by 2. | Even Number |
| The chance that a particular outcome will occur. | Probability |
| Having the same shape and size | congruent |
| Lines that intersect at right angles to eachother. | Perpendicular |
| Lines that are the same distance apart. | Parallel |
| When one half of an object is a mirror image of the other half. | Symmetry |
| an exact location in space | point |
| an endless collection of points along a straight path | line |
| part of a line that has two endpoints | line segment |
| part of a line that has one endpoint and extends endlessly in the other direction | ray |
| lines that cross at one point | intersecting lines |
| lines in the same plane that never intersect | parallel lines |
| two lines that intersect at right angles | perpendicular lines |
| a closed figure made up or three or more line segments | polygon |
| has three sides and three angles | triangle |
| has four sides and four angles | quadrilateral |
| has five sides and five angles | pentagon |
| has six sides and six angles | hexagon |
| has eight sides and eight angles | octagon |
| a triangle with all sides and angles equal | equilateral triangle |
| a triangle that has no congruent (equal) sides | scalene triangle |
| a triangle where two sides are the same length | isosceles triangle |
| value of a digit one place to the right of the decimal | tenths |
| not likely to happen | unlikely |
| To reduce a fraction is to put it in what? | Simplest Form |
| Another word for equal fractions is what? | Equivalent Fractions |
| When adding or subtracting decimals, what do you do with the decimals? | Line them up |
| When multiplying decimals what do you do with the decimals? | Count the spaces that are right of the decimal |
| When dividing decimals what do you do with the decimal? | Bring it straight up |
| When given a set of numbers you find this when you subtract the smallest number from the largest. | Range |
| To find the average is to also find the what? | Mean |
| The number that occurs most often in a set of numbers is the what? | Mode |
| What is the name of a fraction whose numerator is larger than the denominator? | Improper Fraction |
| What is the name of the number above the fraction bar? | Numerator |
| What is the name of the number below the fraction bar? | Denominator |
| What is the name of an angle that measures less than 90 degrees? | Acute Angle |
| What is the name of an angle that measures greater than 90 degrees? | Obtuse Angle |
| What is the name of an angle that measures 90 degrees? | Right Angle |
| What is the name of an angle that measures 180 degrees? | Straight Angle |
| What math tool do you use to measure the degrees in an angle? | Protractor |
| A shape that has six sides is called what? | Hexagon |
| A shape that has eight sides is called what? | Octagon |
| This type of graph often shows changes over time | Line Graph |
| On a stem and leaf plot digits in the ones place are known as the what? | Leaves |
| An exact location in space is known as what? | Point |
| Part of a line that has one endpoint and extends endlessly in one directions is what? | Ray |
| Lines that meet at one point are known as what? | Intersecting Lines |
| Lines that never cross are known as what? | Parallel Lines |
| What is formed when two rays have the same endpoint? | Angle |
| Angles are measured in what? | Degrees |
| A shape that has three sides is called what? | Triangle |
| What is a closed figure made up of three or more line segments called? | Polygon |
| What is the name for a triangle that all the sides are the same length? | Equilateral Triangle |
| What do you call a rectangle with all sides the same length? | Square |
| What is the name for a quadrilateral with only one pair of parallel lines? | Trapezoid |
| A what moves a figure up, down, or over? ** slide ** | Translation |
| A what produces a mirror image of figure? ** flip ** | Reflection |
| A what rotates a figure around a point? ** turn ** | Rotation |
| Three feet equals how many inches? | 36 |
| Four quarts is equal to how many gallons? | 1 |
| One ton equals how many pounds? | 2,000 |
| A pentagon has how many sides? | 5 |
| Part of a line having two endpoints is called what? | Line Segment |
| Two lines that meet at right angles are: | perpendicular |
| What is another term for average or mean? | fair share |
| The MOD is the number that occurs __________ ________. | most often |
| How do you find the RANGE? | Subtract the smallest number from the biggest one. |
| What is the clue for MODE? | MOOOOOOOST |
| What is the clue for MEDIAN? | The MEDIAN in the road is in the middle. |
| What is the median in this data set? 8, 15, 21, 25, 33 | 21 |
| When you're asked to find the average, which one are they asking for? | MEAN |
| an exact location in space | Point |
| an exact location in space | point |
| an endless collection of points along a straight path | line |
| part of a line that has two endpoints | line segment |
| part of a line that has one endpoint and extends endlessly in the other direction | ray |
| an angle that measures exactly 90 degrees | right angle |
| an angle that measures exactly 180 degrees | straight angle |
| an event that will definitely happen, an event with a probability of 1 | certain |
| a dot separating the ones and tenths places in a decimal number | decimal |
| a polygon with six sides | hexagon |
| the value of a digit two places to the right of the decimal | hundredths |
| an event with a no chance of occuring has a probability of | zero |
| when numbers are arranged from least to greatest, the middle number of a set of numbers, or the mean of two middle numbers when the set has two middle numbers | median |
| the number that appears most frequently in a set of numbers (there may be one, more than one, or none present) | mode |
| an eight sided polygon | octagon |
| a polygon with five sides | pentagon |
| a closed plane figure formed from line segments that meet only at their endpoints | polygon |
| the result of division | quotient |
| in whole number division, when you have divided as far as you can without using decimals, what has not yet been divided | remainder |
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