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| Absolute Value- The distance from 0 to the graph of a number on the number line. Acute Angle- An angle with measure between 0 and 90 degrees. Angle- A figure formed by two rays with a common endpoint. Arc- A part of a circle. Area- Amount if surface, measured in square units. Base of a geometric figure- a selected side or face. Box-and-whisker plot-a data display that uses that uses a box to indicaete the middle 50% of the date and whiskers to indicare the lower and upper 25% of the data. Center- the point that lies equidstant from all pints on a circle or a sphere. Circle- a plane figure made up of all points that are the same distance from a given point in the plane. Circumference- the perimeter of a circle. Diagonal- A segment that joins two consecutive vertices of a polygon. Diameter- A chord that contrains the center of a circle or a sphere . Also, the length of such a chord. Endpoint-the pont at the end of a line segment or ray. Equation- a matematical sentence with an equals sign to indicate that two expressions name the same number. Equilateral triangle- a triangle in which all sides are congruent. Equivalent fractions- fractions that name the same number. Evaluate an expression- to replace a variable in an expression with one of its values and then complete the indicated arithmetic. Expanded form-the method of representing a number as the sum of products of each digit and powers of 10. Exponent- a number indicating how many times the base is used as a factor. Factor- Any of two or more whole numbers that are multiplied to form a product. Frequency- the number of times that one item appears in a set of data. |