VDOE Math Vocabulary K-3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Angle | a figure formed by two rays called sides having a common endpoint called the vertex
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| Area | the number of square units needed to cover a surface
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| Array | a set of objects or numbers arranged in rows and columns
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| Attribute | a quality or characteristic, such as color, thickness, size, and shape
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| Bar graph | a type of graph used to display data organized by categories
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| Calendar | a tool for measuring time in days, weeks, months, and years
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| Circle | a closed curve with all points in one plane and the same distance (radius) from a fixed point, the center
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| Classify | to sort into groups according to attribute(s)
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| Commutative Property of Addition | changing the order of the addends does not affect the sum 6 + 7 = 7 + 6
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| Cardinal Number | numbers used for counting or answering the question "how many?" Associated terms: ordinal number
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| Certain (probability) | An event is certain to occur if it has a probability of 1.
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| Commutative Property of Multiplication | changing the order of the factors does not affect the product 8 x 6 = 6 x 8
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| Cone | solid figure with a usually circular base joined to a vertex by a curved surface Associated terms: geometric solids
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| Congruent | figures with exactly the same size and shape
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| Cube | solid figure with six congruent, square faces; all edges are the same length; has 8 vertices, 12 edges Associated terms: geometric solids
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| Cylinder | solid figure with two congruent, parallel, usually circular bases joined by a curved surface. Associated terms: geometric solid
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| Cylinder | solid figure with two congruent, parallel, usually circular bases joined by a curved surface
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| Cylinder | solid figure with two congruent, parallel, usually circular bases joined by a curved surface
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| Data | pieces of information collected to answer a question
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| Denominator | the number of equally-sized parts that make the whole or the complete set Associated terms: fraction
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| Diagonal | a line segment that joins two non-adjacent vertices in a polygon
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| Difference | the distance between 2 numbers on a number line; the answer to a subtraction problem
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| Digit | there are 10; any one of the symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
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| Edge | in a solid figure, a line segment where two faces of the solid meet. Associated terms: geometric solids
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| Equal | having the same amount or value
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| Equally likely outcomes | outcomes that have the same probability. Associated terms: probability
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| Equation | number sentence; a statement that two expressions or numbers are equal
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| Equivalent | having the same value.
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| Even number | any number ending in 0, 2, 4, 6, or 8. Associated terms: odd number
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| Event | an outcome or set of outcomes of an experiment or situation; for example, getting a 3 is one possible event produced by a rolling a fair number cube. Associated terms: probability
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| Experiment | in probability, any activity involving chance. Associated terms: probability
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| Face | A polygon that serves as a side of a solid. Associated terms: geometric solids
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| Fraction | part of a group or part of a whole
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| Geometric solids | three-dimensional figures such as cone, pyramid, prism, cylinder
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| Identity properties | addition: if 0 is added to any number, the sum is the same as the given number 8+0 = 8multiplication: if a given number is multiplied by 1, the product is the same as the given number6 x 1 =6
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| Impossible (probability) | an event is not possible if it has a probability of 0. Associated terms: certain, probability
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| Inverse Operations | operations that undo each other; addition, subtraction, multiplication and division
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| Line | has no definition; described as a set of points that goes on and on in both. has no definition; described as a set of points that goes on and on in both directions; has no endpoints; has 1 dimension directions; has no endpoints; has 1 dimension
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| Line of Symmentry | a line dividing a figure or an arrangement of objects into two parts that are mirror images of each other
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| Line plot | a type of graph used to display data; in a line plot, each piece of data is represented. Associated terms: axis
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| Line segment | part of a line that has two endoints
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| Mass | the amount of matter in an object; weight is determined by the pull of gravity on the mass of an object; mass of an object remains the same regardless of its location; weight of an object changes depending on the gravitational pull at its location
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| Mixed number | a quantity expressed as a number and a proper fraction
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| Number sense | equation: 3 + 4 = 7; 8 - 2 = 6
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| Numeral | a symbol representing a number
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| Numerator | how many equal parts of the whole or set we have; the number of equal parts of the whole or set being considered. Associated terms: fraction
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| Odd number | any number ending in 1, 3, 5, 7, or 9. Associated terms: even number
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| Ordinal number | a number that names the place or position of an object in a sequence or set. Associated terms: cardinal number
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| Outcome (probability) | result of an experiment. Associated terms: probability
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| Pattern | numbers or objects that follow a repeating or growing rule
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| Perimeter | the distance around any two-dimensional figure
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| Picture graph | a data display that use pictures to represent the data
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| Place value | the value a digit represents depending on its place in the number
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| Plane | has no definition; described as a flat surface; has 2 dimensions. Associated terms: line, point
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| Plane figure | a figure that lies in a plane; a two-dimensional figure
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| Point | cannot be defined; is described as an exact location; has no dimension. Associated terms: line, plane
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| Polygon | a closed plane figure composed of line segments that do not cross
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| Position | location of an object relative to another(above, below, next to, beside, near, far, close by, below, above, up, down)
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| Probability | the chance of an event occurring
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| Product | the answer in multiplication
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| Quadrilateral | a polygon with 4 sides
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| Quotient | the answer in division
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| Ray | part of a line that starts at a point (the endpoint) and continues forever in one direction. Associated terms: line
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| Rectangle | a quadrilateral with 4 right angles (all three shapes below are rectangles)
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| Rectangular prism | a solid in which all 6 faces are rectangles. Associated terms: geometric solids.
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| Sample Space | all possible outcomes of an experiment. Associated terms: probability
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| Set | a collection of distinct items or elements
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| Sort | classify. Associated terms: attribute
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| Sphere | a three-dimensional object with all of its points the same distance from its center. Associated terms: geometric solids
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| Square | a rectangle with all sides congruent. Associated terms: quadrilateral, rectangle
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| Square pyramid | a solid with a square base with 4 sloping triangular faces that share a vertex.Associated terms: geometric solids
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| Standard form of a number | a method of writing numbers
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| Statistics | the collection, organization, and analysis of data
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| Sum | the answer in addition
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| Survey | the collection, organization, and analysis of data
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| Table | data organized using rows and columns
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| Tally | a method of collecting data
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| Thermometer | an instrument used to measure temperature in degrees; temperature can be measured in degrees Fahrenheit or degrees Celsius
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| Triangle | A polygon with 3 sides
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| Vertex | The point of intersection of the 2 rays that comprise an angle; the point of intersection of 2 adjacent line segments that comprise a polygon
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| Volume | the amount a container can hold; the amount of space occupied by an object
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| Weight | weight is determined by the pull of gravity on the mass of an object; mass of an object remains the same regardless of its location;
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| Whole numbers | a number from the set {0, 1, 2, 3…}
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
knunley
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