Math Three

Front 1

greatest common factor

Back 1

the largest number that can be a factor of each of two other numbers

Front 2

improper fraction

Back 2

a fraction in which the numerator is larger than the denominator

Front 3

integer

Back 3

a whole number either positive, negative, or zero

Front 4

interest

Back 4

a fee paid for the privilege of borrowing money

Front 5

intersecting

Back 5

passing through or cutting across

Front 6

inverse operation

Back 6

the opposite operation. example: adding is the opposite of sutraction

Front 7

least common denominator

Back 7

the lowest common multiple of two or more denominators

Front 8

least common multiple

Back 8

the lowest number (not a zero) that is a multiple of two given numbers.

Front 9

less than <

Back 9

a way to show one number is smaller than another.

Front 10

line

Back 10

a straight path that has no end in either direction

Front 11

line segment

Back 11

part of a line; it has a beginning and an end.

Front 12

lowest terms

Back 12

a fraction when the numerator and denominator have no common factor larger than 1.

Front 13

mean

Back 13

a number obtained by adding a group of numbers together and dividing by the number of addends. (same as the average)

Front 14

median

Back 14

the middle number in a set of numbers when that set is arranged in order. When there is not a middle number, the median is the average of the two middle numbers.

Front 15

mental math

Back 15

performing calculations in your head without pencil or paper.

Front 16

metrics

Back 16

unit of measurement example: centimeters, kilograms, millilters

Front 17

mixed number

Back 17

a combination of a whole number and a fraction. example 3 and 1/2.

Front 18

multiple

Back 18

a number into which another number can be divided evenly. example: 8, 12, and 16 are multiples of 4.

Front 19

negative number

Back 19

a number that is less than zero.

Front 20

number line

Back 20

a line that shows where numbers fall in order.

Front 21

numbered pair

Back 21

two numbers that are used to locate a point on a graph.

Front 22

numerator

Back 22

the number above the line in a fraction.

Front 23

numerical expression

Back 23

an expression that contains two or more numbers. example: 6 + 2

Front 24

obtuse angle

Back 24

an angle measuring more than 90 degrees.

Front 25

odd number

Back 25

a whole number containing 1, 3, 5, 7, or 9 in the "one's" place

Front 26

parallel lines

Back 26

two lines, the same distance apart that never intersect (cross).

Front 27

parallelogram

Back 27

a quadrilateral with two pair of parallel sides

Front 28

percent

Back 28

a way to compare a number to 100. example: 25 is 25% of 100.

Front 29

perimeter

Back 29

the distance around a figure---the sum of all its sides.

Front 30

perpendicular lines

Back 30

two lines that intersect (cross) and form right angles (90 degree angles).

Front 31

place value

Back 31

the value given to the place a digit occupies in a number. example: 427 (4 is the hundreds place, 2 is in the tens place, and 7 is in the ones place).

Front 32

polygon

Back 32

a figure bounded by three or more sides.

Front 33

positive number

Back 33

a number that is more than zero.

Front 34

profit

Back 34

money received from a business venture after all expenses have been paid.

Front 35

predict

Back 35

to guess what will happen.

Front 36

prime number

Back 36

a number that can only be divided evenly by itself and the number 1.

Front 37

probability

Back 37

the likeliness that something will happen.

Front 38

product

Back 38

the answer to a multiplication problem.

Front 39

quadrilateral

Back 39

a polygon with four sides.

Front 40

quotient

Back 40

the answer to a division problem (other than a remainder)

Front 41

radius

Back 41

a segment from the center of a circle to a point on that circle.

Front 42

ratio

Back 42

two numbers used to make comparisons. example: 2 to 1 or 2:1

Front 43

rectangle

Back 43

a figure that has two sets of parallel sides and four right angles.

Front 44

remainder

Back 44

the number that is left over when a number cannot be divided evenly. example, 7 divided by 3 = 2 with a remainder of 1.

Front 45

right angle

Back 45

an angle measuring 90 degrees.

Front 46

right triangle

Back 46

a triangle that has one right angle

Front 47

rounding

Back 47

replacing a number with another in units of tens. numbers 1-4 are rounded down, and number 5-9 are rounded up. example: 32 (30) 37 (40)

Front 48

sale price

Back 48

a price that is lower than the original price for an item

Front 49

sales tax

Back 49

an amount of money added to the price of an item that is paid to the government.

Front 50

sequence

Back 50

a series of numbers coming one after another in a certain order.

Front 51

set

Back 51

a group of items

Front 52

square

Back 52

a figure with 4 right angles and 4 equal sides.

Front 53

square root

Back 53

a number that when multiplied by itself will produce a certain number. example: the square root of 25 = 5

Front 54

standard form

Back 54

the way in which numbers are usually written.

Front 55

sum

Back 55

the answer to an addition problem

Front 56

supplementary angle

Back 56

the number in degrees given to an angle that when added to another angle will give 180 degrees.

Front 57

trapezoid

Back 57

a quadrilateral with one pair of parallel sides.

Front 58

triangle

Back 58

a polygon with 3 sides.

Front 59

value

Back 59

worth of a number

Front 60

volume

Back 60

the amount of space occupied by an object, expressed in cubic units. formula: length x width x height