Math Map 201-210 - With Pictures

Front 1

acute angle

Back 1

an angle less than 90 degrees but more than 0 degrees

Front 2

altitude

Back 2

height, elevation

Front 3

bar graph

Back 3

a graph that uses horizontal or vertical bars to display data

Front 4

base

Back 4

in geometry, the bottom of a polygon or shape

Front 5

circumference

Back 5

the distance around a circle

Front 6

compatible numbers

Back 6

approximated numbers that are close in value to the actual numbers and are easy to add, subtract, multiply, or divide mentally

Front 7

coordinate point (ordered pair)

Back 7

(x,y)

two numbers used to locate a point on a coordinate graph

Front 8

data

Back 8

facts, figures, and other evidence gathered through observations

Front 9

expanded numeral

Back 9

a number broken apart according to its place value (ex: 458 = 400 + 50 + 8)

Front 10

greatest common factor (GCF)

Back 10

the largest factor that two or more numbers have in common

Front 11

inverse operation

Back 11

operations that do the exact opposite of each other: addition and subtraction, multiplication and division

Front 12

less likely

Back 12

and event that does not have a good chance of happening

Front 13

lowest common denominator (LCD)

Back 13

the smallest number, other than zero, that can be the denominator for two or more common fractions

Front 14

mass

Back 14

a measure of how much matter an object is made of

Front 15

maximum

Back 15

the greatest possible amount

Front 16

minimum

Back 16

the smallest possible amount

Front 17

mixed number

Back 17

a number made up of a whole number and a fraction

Front 18

multiple

Back 18

a number that contains another number more than one time without remainder

Front 19

negative

Back 19

a quantity less than zero

Front 20

obtuse angle

Back 20

an angle between 90 and 180 degrees

Front 21

ordered pair

Back 21

a pair of numbers that give the location of a point on a coordinate plane (x,y)

Front 22

origin

Back 22

(0,0)

a point in the middle of the coordinate plane

Front 23

plane

Back 23

a flat surface that extends infinitely in all directions

Front 24

positive

Back 24

all the numbers to the right of zero on a number line

Front 25

proportion

Back 25

an equation stating two ratios are equal

Front 26

random

Back 26

a process in which each item of a set has an equal probability of being chosen

Front 27

regular polygon

Back 27

a polygon with all sides and all angles equal

Front 28

skew

Back 28

lines that do not intersect and are not parallel; lines that are not in the same plane

Front 29

square number

Back 29

numbers that are the product of a number and itself

25 is a square number because 25 = 5 x 5

Front 30

triple

Back 30

to multiply by 3

Front 31

volume

Back 31

amount of space occupied by a fluid