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Mr Hyland's math exam vocabulary cards.

angle

the space between two lines or planes that intersect

area

the number of square units needed to cover a flat surface

bar graph

a graph that uses horizontal or vertical bars to display data

complementary angles

Two angles whose sum is 90 degrees.

coordinates

Ordered pairs that identify points on a coordinate plane. (x,y)

cross multiplication

When 2 fractions are crossed multiplied.

cross products

the results of cross multiplying

decimal

a number in the decimal system

evaluate

place a value on

fraction

part of a whole

like terms

Expressions that contain the same variables to the same power

line graph

A graph that uses line segments to show changes that occur over time

lowest terms

a fraction that has been reduced completely

mean

average of numbers

median

the middle number

mode

the most frequent value of a random variable

order of operations

the order in which operations in an expression to be evaluated are carried out. 1. parentheses 2. exponets 3. multiplication and divison 4. addition and subtraction

percent

a proportion multiplied by 100

perimeter

The distance around a shape

place value

The value of a digit based on its position within a number

probability

a measure of how likely it is that some event will occur

proper factor

all factors of a number, except for the number itself

proportion

is/of = part/whole

range

the number with the greater value minus the smaller value number

ratio

The relative magnitudes of two quantities (usually expressed as a quotient) or 5;3 or 5 to 3

rectangular coordinate grid

A device for locating points in a plane using ordered pairs or coordinates

scientific notation

A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10.

simplify

Make simpler or easier or reduce in complxity or extent

standard notation

A number written without exponents: an integer or a decimal fraction.

supplementary angles

Two angles whose sum is 180 degrees

venn diagram

A diagram that uses circles to display elements of different sets. Overlapping circles show common elements.

verticle angles

Opposite angles of two intersecting lines

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