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Little5 wes

math vocabulary

QuestionAnswer
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? Translation (slide)
A what produces a mirror image of figure? Reflection (flip)
A what rotates a figure around a point? Rotation (turn)
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 intersect at right angles are known as what? Perpendicular Lines
How do you find the MEAN? 1. Add 2. Divide by how many numbers you added.
How do you find the MODE? Find 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
Created by: PRO Teacher lit123