Math OAA Vocabulary Flashcards
Congruent
Same shape and same size
Perpendicular Lines
2 lines that cross each other to make 4 right angles
Intersecting Lines
2 lines that cross each other in a way that does not create any right angles
Plane
A flat surface that extends in all directions
Angle
2 rays that connect at one point (vertex)
Vertex (vertices)
A point where 2 lines or sides meet
Plane
A flat surface that extends in all directions
Polygon
A 3-or more sided shape
Isosceles Triangle
2 equal sides
Scalene Triangle
No equal sides
Quadrilateral
Any 4-sided shape
Parallelogram
A polygon with 2 pairs of parallel sides
Maximum
The largest number
Minimum
The smallest number
Range
Maximum - Minimum
Mode
The number that appears the most often
Median
The number that appears in the middle after all of the numbers are put in order least to greatest
Line Plot
Uses Xs to represent data
Line Graph
Uses a line to show data over a period of time
Associative property of multiplication
3 numbers that can be multiplied in any order without changing the product or answer
Distributive property of multiplication
Uses both multiplication and addition in the equation
Prime number
A number that only has 1 and itself as factors
Composite number
A number that has more than 2 factors
Factors
Numbers you multiply to get an answer. “Math facts”
Multiples
Skip counting
>
Greater Than
<
Less Than
Quotient
The answer to a division problem
Product
The answer to a multiplication problem
Sum
The answer to an addition problem
Difference
The answer to a subtraction problem
Denominator
The bottom of a fraction. “The whole”
Numerator
The top of a fraction. “The part”
Equivalent
Equal
Perimeter
The distance around an object
Area & how it’s measured
The amount of surface inside a closed boundary. Area is measured in square units.
Volume & how it’s measured
The capacity inside a 3-dimensional object. Area is measured in cubic units.
Metric units of weight
Gram and Kilogram
Metric units of capacity
Millileter and Liter
Customary units of weight
Ounce, pound, and ton
Customary units of capacity
Cups, pints, quarts, and gallon
Parallel Lines
Lines that never cross
Number Pattern
A list of numbers that follow a certain rule
Estimate
An answer that should be close to an exact answer.
Rotation
A movement of a figure around a fixed point.
Reflection
The “flipping” of a figure over a line so that its image is the mirror image of the orignal figure.
Translation
“Slide” when an object moves along a straight line.
Prediction
A reasonable guess on what may happen.
Pentagon
A polygon with five sides
Vertices
The point where the sides of an angle, polygon, or polyhedron meet.
Probability
The chance that an event will happen.
Right Angle
A 90 degree angle
Certain
An event will happen.
Equally likely
50-50 chance of happening.
Less likely
Not a good chance it will happen.
More likely
A good chance it will happen.
Equilateral Triangle
All Equal sides
Circle/Pie Graph
A graph shaped like a circle that is divided into parts. The whole circle represents the whole set of data.
Venn Diagram
A picture that uses circles or rings to show relationships between sets. Where they intersect is what they have in common.
Units
A label used to put a number in context. Examples: inch & centimeter
Equation
A number sentence that contains an equal sign.
Solid figure
A 3-D figure
Edge
A line segment or curve where two surfaces meet
Face
A flat surface on a 3-D shape
