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Number

A mathematical object used to count, label, and measure

Even

Can be divided exactly by 2

Odd

Cannot be divided exactly by 2

Prime Number

Only has factors of (can be divided evenly by) 1 or itself

Composite Number

Has factors of (can be divided evenly by) numbers other than 1 or itself.

Fractions

Fractions can describe something that is EITHER Part of a whole or Part of a set

Numerator

How many parts or objects there are

Denominator

How many objects there are in total (or parts there should be)

Proper Fractions

A proper fraction is a fraction where the numerator (the top number) is less than the denominator (the bottom number)

Improper fractions

An improper fraction is a fraction where the numerator (the top number) is greater than or equal to the denominator (the bottom number).

Mixed Fractions

A mixed fraction is a whole number and a fraction combined into one "mixed" number.

Simplify/Reduce

The process of changing an improper fraction to a mixed number OR changing a proper fraction to the lowest denominator

Addition

The action of joining two or more things

Sum

The result of joining two things together

Subtraction

The actions of splitting or seperating some things

Difference

The result of splitting or seperating some things

Multiplication

Repeated addition

Product

The result of repeated addition

Division

Repeated subtraction

Quotient

The result of repeated subtraction

Surface Area

the total area of the surface of an object

Slant Height

the distance from a point on the perimeter of the base of a cone to the apex of the cone; the distance from the midpoint of the base of one triangular face of a regular pyramid to the apex of the pyramid height: centre of base to apex

Volume

the amount of space occupied by an object

Dimensions

measurements such as length, width, and height

Right Angle

a 90° angle

Base

the side of a polygon or the face of an object from which the height is measured

Perimeter

the distance around a closed shape

Circumference

the distance around a circle, also the perimeter of the circle

Pyramid

A solid object where: The base is a polygon (a straight-sided flat shape) The sides are triangles which meet at the top (the apex).

Cone

an object with one circular base and one vertex; the line through the vertex and the centre of the base is perpendicular to the base

Lateral Area

the surface area of an object, not including the area of its bases

Sphere

an object where every point on the surface of the object is the same distance from the centre of the object. Example: A ball

Cylinder

A solid object with: two identical flat ends that are circular or elliptical and one curved side.

Hemisphere

half a sphere

Radius

(plural, radii): the distance or line segment from the centre of a circle to any point on the circle.

Diameter

the distance across a circle, measured through its centre; or the line segment that joins two points on the circle and passes through its centre

Composite

An object made of more than one shape

Cubic

units that measure volume

Regular

A shape whose faces are all equal

Length

The longer measurement

Width

The shorter measurement

Horizontal

Going side-to-side, like the horizon. Parallel to the horizon.

Vertical

In an up-down direction or position. Upright. Example: trees grow in a vertical direction.