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Variable - When a letter is used to represent a number or number in equations and or
expressions. E.g., in 3x + y, both y and x are the variables.
Venn Diagram - A Venn diagram is often two circles (can be other shapes) that overlap.
The overlapping part usually contains information that is pertinent to the labels on both
sides of the Venn diagram. For instance: one circle could be labeled 'Odd Numbers', the
other circle could be labeled 'Two Digit Numbers' the overlapping portion must contain
numbers that are odd and have two digits. Thus, the overlapping portions shows the
relationship between the sets. (Can be more than 2 circles.)
Volume - A unit of measure. The
amount of cubic units that occupy a
space. A measurement of capacity or
volume.
Vertex- A point of intersection where two (or more) rays meet, often called the corner.
Wherever sides or edges meet on polygons or shapes. The point of a cone, the corners
of cubes or squares.
Vinculum
Visual Estimation
Vulgar Fraction
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