 | Term | Definition |
| |
Area |
The extent of a 2-dimensional surface enclosed within a boundary |
| |
Angle |
The space between two lines or planes that intersect |
| |
Bisect |
Cut in half or cut in two |
| |
Circle |
Ellipse in which the two axes are of equal length |
| |
Circumference |
The length of the closed curve of a circle |
| |
Complementary Angles |
Two angles whose sum is a right angle |
| |
Composite Number |
An integer that is divisible without remainder by at least one positive integer other than itself and one |
| |
Cone |
A shape whose base is a circle and whose sides taper up to a point |
| |
Congruent Figures |
Figures that have the same shape and size. |
| |
Cube |
A hexahedron with six equal squares as faces |
| |
Cylinder |
A solid bounded by a cylindrical surface and two parallel planes (the bases) |
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Decameter |
A metric unit of length equal to ten meters |
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Decimal |
A proper fraction whose denominator is a power of 10 |
| |
Denominator |
The number below the line in a fraction, the divisor of a fraction |
| |
Diameter |
The length of a straight line passing through the center of a circle and connecting two points on the circumference |
| |
Distributive Property of Multiplication over Addition |
States that to mulitiply a sum by a number, you can multiply each addened by the same number and add the products. |
| |
Dividend |
A number to be divided by another number |
| |
Divisor |
The number by which a dividend is divided |
| |
Edge |
A sharp side formed by the intersection of two surfaces of an object |
| |
Equilateral Triangle |
A three-sided regular polygon |
| |
Evaluate |
Place a value on |
| |
Exponent |
A mathematical notation indicating the number of times a quantity is multiplied by itself |
| |
Faces |
A flat surface of a polyhedron |
| |
Factor |
Any of the numbers (or symbols) that form a product when multiplied together |
| |
Hypotenuse |
the side of a right triangle opposite the right angle |
| |
Identity Element of Addition |
Zero is the identity element in addition because adding zero to a number does not change its value |
| |
Identity Element of Multiplication |
One is the identity element in multiplication because multiplying a number by one does not change its value |
| |
Inverse Property |
The sum of a number and its opposite |
| |
Irrational Number |
A real number that cannot be expressed as a rational number |
| |
Inverse Relationships |
A relationship between two factors in which the factors move in opposite directions |
| |
Isosceles Triangle |
A triangle with two equal sides |
| |
Kilo |
A prefix meaning thousand |
| |
LCM |
The smallest multiple that is exactly divisible by every member of a set of numbers |
| |
GCF |
The greatest commmon factor between two or more numbers |
| |
Line |
Goes on forever in both directions |
| |
Line of Symmetry |
a |
| |
Mean |
a |
| |
Median |
a |
| |
Mixed Number |
a |
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Mode |
a |
| |
Multiple |
a |
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Obtuse Angle |
a |
| |
Order of Operation |
a |
| |
Origin |
a |
| |
Parallel Lines |
a |
| |
Parallelogram |
a |
| |
Percent |
a |
| |
Perimeter |
a |
| |
Perfect Square |
a |
| |
Perpendicular Lines |
a |
| |
Pi |
a |
| |
Plane |
a |
| |
Prime Number |
a |
| |
Polygon |
a |
| |
Pythagorean Theorem |
a |
| |
Quadrant |
a |
| |
Quotient |
a |
| |
Radius |
a |
| |
Range |
a |
| |
Ratio |
a |
| |
Rational Number |
a |
| |
Ray |
a |
| |
Rectangle |
a |
| |
Regular Polygon |
a |
| |
Rhombus |
a |
| |
Scalene Triangle |
a |
| |
Square Root |
a |
| |
Supplemenary Angle |
a |
| |
Surface Area |
a |
| |
Variable |
a |
| |
Alternate Interior Angles |
a |
| |
Alternate Exterior Angles |
a |
| |
Volume |
a |
| |
Vertical Angles |
a |
