Math Vocabulary

Front 1

add

Back 1

to put numbers together to find a total amount.

Front 2

addends

Back 2

the numbers to be added.

Front 3

sum or total

Back 3

the amount obtained by adding.

Front 4

renaming

Back 4

to break down a number into its parts.

Front 5

equal

Back 5

the same as.

Front 6

rounding

Back 6

changing numbers to make them easier to work with.

Front 7

estimate

Back 7

to make a guess about the value of something or about the answer to a problem.

Front 8

digit

Back 8

the symbols used to write numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

Front 9

subtract

Back 9

to take away one number from another; to find the difference between two numbers.

Front 10

difference

Back 10

the amount by which one number is larger or smaller than another; the amount that remains after one number is subtracted from another.

Front 11

multiply

Back 11

to add a number to itself one or more times.

Front 12

multiplicand

Back 12

the first factor.

Front 13

multiplier

Back 13

the second factoe.

Front 14

product

Back 14

the answer in a multiplication problem.

Front 15

MULTIPLY

Back 15

in five months

Front 16

MULTIPLY

Back 16

how many a year

Front 17

MULTIPLY

Back 17

for six hours at $13

Front 18

MULTIPLY

Back 18

what's 10% of

Front 19

ADD

Back 19

in all

Front 20

ADD

Back 20

together

Front 21

ADD

Back 21

all together

Front 22

ADD

Back 22

total

Front 23

ADD

Back 23

both

Front 24

SUBTRACT

Back 24

how many less

Front 25

SUBTRACT

Back 25

what's the difference

Front 26

SUBTRACT

Back 26

how much more

Front 27

SUBTRACT

Back 27

deduct the amount

Front 28

SUBTRACT

Back 28

how many left

Front 29

SUBTRACT

Back 29

how many more

Front 30

divide

Back 30

to find out how many times one number contains another; to subtract a number from itself one or more times.

Front 31

dividend

Back 31

the number to be divided

Front 32

divisor

Back 32

the number to divide by.

Front 33

quotient

Back 33

the answer in a division problem.

Front 34

remainder

Back 34

the number left over in a division problem.

Front 35

DIVIDE

Back 35

how much does each

Front 36

DIVIDE

Back 36

how many times each

Front 37

DIVIDE

Back 37

how much per

Front 38

DIVIDE

Back 38

what percentage is one number or another.

Front 39

DIVIDE

Back 39

into how many

Front 40

DIVIDE

Back 40

what's half (a quarter) of the amount

Front 41

percent

Back 41

a part of a whole that has been divided into 100 equal parts. (The sign of percent is %)

Front 42

equivalent

Back 42

the same; equal.

Front 43

fraction

Back 43

a number that expresses part of a whole unit; 2/3 is a fraction.

Front 44

denominator

Back 44

the bottom numberin a fraction; the denominator tells how many equal parts there are in the whole unit.

Front 45

numerator

Back 45

the top number in a fraction; the numerator tells how many parts of the whole unit are being represented.

Front 46

lowest terms

Back 46

a fraction is in its lowest terms when only 1 divides evenly into both the numerator and the denominator.

Front 47

mixed number

Back 47

a number made up of a whole number and a fraction.

Front 48

like fractions

Back 48

fractions with the same denominators.

Front 49

unlike fractions

Back 49

fractions with different denominators.

Front 50

equivalent fractions

Back 50

fractions whose numbers are different but whose values are the same.

Front 51

decimals

Back 51

fractions with denominators of 10, 100, 1000, and so on, written with a point followed by digits to the right. (Cents are one example of decimals; twenty-five cents is ,25 of a dollar.)

Front 52

decimal point

Back 52

the dot written in a decimal.

Front 53

mixed decimal

Back 53

a number containing a whole number and a decimal. ($12.36 is a mixed decimal.)

Front 54

SUBTRACT

Back 54

how much longer