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annual

occurring once each year ; yearly

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approximate

not exact,but close enough to be reasonably correct

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base

a number multiplied by itself as indicated from the exponent (the base number is to be multiplied by itself as many times as the exponent says)

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best estimate

not exact, but close to exact amount

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calculate

(v.) to find out by adding, subtracting, multiplying, or dividing; to figure out by reason or logic

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capacity

the amount a container can hold

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circumference

The distance around a circle

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congruent

same shape and same size

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consecutive

following in order or without interruption

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coordinate plane

a grid formed by two number lines that intersect at their zero points. The two axes meet at the ordered pair (0, 0) and divide the plane into four quadrants

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corresponding sides

Two sides that are in the same position in the original and the image.

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data

Facts, figures, and other evidence gathered through observations.

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diagonal

a line that slants; connecting two non-adjoining vertices

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dilate

To enlarge in all directions.

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dimensions

length, width, and height

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doubled

multiplyed by two

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edge

line along which two planes of a solid figure meet

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enlargement

Making a new image that is bigger than the original figure

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estimate

to figure out; to determine roughly; to calculate; a rough guess as to size, value, etc.; an opinion

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expression

the part of a number sentence that combines numbers and operations, but doesn't have an equal sign.

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generate

to produce or create

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inaccurate

not correct or reasonable

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irregular figure

a figure with noncongruent sides and interior angles

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lateral area

the sum of the areas of the lateral faces of a solid; go around the sides, not the bases

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mean

The average (add all values and divide by how many there are)

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median

The middle number in a list. Put numbers in order FIRST. If there are 2 numbers in the middle, add them and divide by 2.

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mode

the number that appears the most times

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multiples

the product of two factors

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nth term

generlization that is used to describe any given number in a sequence

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origin

the point of intersection of coordinate axes

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parallel

lines that will never meet, no matter how long you stretch them (like railroad tracks!)

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perimeter

the distance around the outside (add up all the sides)

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potential

posible, able to happen, something that can develop

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prism

has to have 2 bases that are identical and all other faces are rectangles

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product

answer to a multiplication problem

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pyramid

Three dimensional figure with triangluar faces that meet at a vertex. The edges form a point at the top. Named for the shape of the base

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quotient

the answer of a division problem

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random

by chance, not planned or prearranged; irregular

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range

to find this, you subtract the smallest number from the biggest

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ratios

a ratio is a comparison of two quantities; it is sometimes expressed as a fraction.

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reduction

Making a new image that is smaller than the original figure

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reflection

a transformation that produces the miror image of a geometric figure over a line of reflection

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revenue

Total Amount of money a business takes in during a given period selling goods and services

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rotation

The original image is the square labeled ABDC. The image after rotating the square 45 degrees (counterclockwise) about its center gives the square labeled A'B'D'C'.

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scale factor

In a transformation, the number by which the distance of the preimage from the center of dilation is multiplied to determine the distance of the image point from its center.

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scientific notation

There are two parts of the scientific notation. The first part is a number between 1-10. The second part is a power of ten. example: 2.25 * 10^4

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set

a group of things of the same kind that belong together and are so used

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similar

same shape, but different size

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squared

Any number or variable with a 2 for an exponent is said to be squared.

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total surface area

the sum of all the areas of the faces and bases of a solid figure

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transformation

Some transformations, like dilation, affect the size of the figure. Other transformations are translations, reflections, and rotations.

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trend

a pattern over time, such as increasing, decreasing, or staying the same, that is shown by data in part or all of the graph

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valid

well-supported by facts; true

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vertex

The point where 2 rays meet in an angle or 2 or more line segments meet in plane figures, or 3 or more sides meet in solid figures

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vertical

line going up and down

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