Grade 4 Math Vocab Saxon Final

Front 1

Array

Back 1

a rectangular arrangement of numbers or symbols in columns and rows.

Front 2

Addend

Back 2

any one of the numbers in an addition problem

Front 3

Compatible Numbers

Back 3

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

Front 4

Face

Back 4

a flat surface of a geometric solid

Front 5

Kilometer

Back 5

a metric unit of length equal to 1000 meters.

Front 6

Data

Back 6

pieces of information

Front 7

Factor

Back 7

numbers multiplied together to find the product

Front 8

Solve

Back 8

find a solution to an equation

Front 9

Identity property of multiplication

Back 9

the product of any number and one is that number

Front 10

Standard Form

Back 10

a way to write a number showing only its digits

Front 11

Expanded Form

Back 11

a number written as the sum of the values of its digits

Front 12

Associative Property of Addition

Back 12

addends can be regrouped and the sum remains the same.

Front 13

Denominator

Back 13

the bottom number of a fraction

Front 14

Product

Back 14

the answer to a multiplication problem

Front 15

Congruent

Back 15

having the same size and shape

Front 16

Commutative Property of Multiplication

Back 16

factors can be multiplied in any order and the product remains the same.

Front 17

Digits

Back 17

the symbols used to write a number: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Front 18

Sum

Back 18

the result of adding numbers together

Front 19

Equation

Back 19

a number sentence that uses an equal sign to show that two quantities are equal

Front 20

Divisor

Back 20

the number by which another number is divided

Front 21

Commutative Property of Addition

Back 21

numbers can be added in any order and the sum remains the same.

Front 22

Dividend

Back 22

the number to be divided

Front 23

Identity Property of Addition

Back 23

the sum of any number and zero is that same number

Front 24

Divide

Back 24

an operation to find the number in each group or the number of equal groups

Front 25

Tenth

Back 25

one out of ten

Front 26

Polygon

Back 26

a closed 2-dimentional figure with straight lines.

Front 27

Quadrilateral

Back 27

a polygon with 4 sides and 4 angles.

Front 28

Regroup

Back 28

to rename a number a different way.

Front 29

Angle

Back 29

a figure formed by two rays with the same endpoint

Front 30

Key

Back 30

in a pictograph, it tells how many each symbol represents.

Front 31

Addition

Back 31

an operation that combines two or more numbers to find a total number

Front 32

base

Back 32

a designated side or face of a geometric figure

Front 33

area

Back 33

the number of square units needed to cover a surface

Front 34

clockwise

Back 34

the same direction as the movement of a clock’s hands

Front 35

common denominator

Back 35

denominators that are the same

Front 36

Pentagon

Back 36

a polygon with five sides

Front 37

Graph

Back 37

a diagram that shows data in an organized way

Front 38

Fraction

Back 38

a number that names part of a whole

Front 39

Estimate

Back 39

to find an approximate value

Front 40

Acute angle

Back 40

a triangle whose largest angle measures less than 90 degrees

Front 41

Percent

Back 41

parts per hundred

Front 42

Coordinates

Back 42

an ordered pair of numbers that name a point on a coordinate grid

Front 43

Addition

Back 43

a kind of operation used to find the sum

Front 44

Function Table

Back 44

a table that lists pairs of numbers to show how the pairs of numbers are related

Front 45

Odd numbers

Back 45

numbers that cannot be divided by 2 without a remainder

Front 46

Open Sentence

Back 46

a number sentence with a missing number or digit

Front 47

Probability

Back 47

how likely it is for an event to happen

Front 48

Reflection

Back 48

a flip of a figure across a line making a mirror image

Front 49

Translation

Back 49

the movement of a flat shape without turning or changing it

Front 50

Rotation

Back 50

a turn of a flat figure around a point

Front 51

Improper fraction

Back 51

a fraction with a numerator greater than or equal to its denominator

Front 52

Zero Property of Multiplication

Back 52

a statement that says the sum of zero and any number is that number

Front 53

Zero Property of Addition

Back 53

a statement that says the product of zero and any number is zero

Front 54

Tally Mark

Back 54

a mark used to show what you count

Front 55

Evaluate

Back 55

to find the value of a mathematical expression

Front 56

Change

Back 56

money you get back after you pay for something

Front 57

Difference

Back 57

how much is left after you subtract

Front 58

Half Past

Back 58

30 minutes after the hour

Front 59

Side

Back 59

the edges of a flat figure

Front 60

Greatest

Back 60

the highest amount or number

Front 61

Vertex

Back 61

a point where 2 or more sides meet

Front 62

Range

Back 62

the difference between the greatest and least values in a set of data

Front 63

Quarter To

Back 63

15 minutes before the hour

Front 64

Median

Back 64

the middle value of a set of data that are arranged from least to greatest

Front 65

Mode

Back 65

the number or numbers that occur most often in a set of data

Front 66

Mixed Number

Back 66

a number with a whole number part and a fractional part

Front 67

Fraction

Back 67

a part of a whole or of a group

Front 68

Numerator

Back 68

the top number in a fraction.

Front 69

Denominator

Back 69

the bottom number in a fraction

Front 70

Common Denominator

Back 70

a value that is a multiple of each denominator in a set of fractions.

Front 71

Clockwise

Back 71

movement in the direction that the hands on a clock move

Front 72

Counterclockwise

Back 72

movement in the opposite direction that the hands on a clock move

Front 73

Decimal

Back 73

a symbol placed between whole numbers and fractional parts of numbers when written in standard form

Front 74

Operation

Back 74

addition, subtraction, multiplication, and division are all types of these

Front 75

Angle

Back 75

a figure formed where two rays or line segments share an endpoint

Front 76

Divide

Back 76

to separate or break apart an object into parts or pieces

Front 77

Order

Back 77

the way in which numbers or things are put

Front 78

Unknown

Back 78

a letter used to for a missing number

Front 79

Degree

Back 79

a step between two marks on a thermometer

Front 80

Survey

Back 80

a way to gather data by asking people questions

Front 81

Subtraction

Back 81

a kind of operation used to find the difference between two numbers

Front 82

x-coordinate

Back 82

the value that is given first in an ordered pair

Front 83

y-coordinate

Back 83

the value that is given second in an ordered pair

Front 84

Place value

Back 84

the value of a digit based on its place in a number

Front 85

Subtrahend

Back 85

in subtraction, the amount that is being subtracted

Front 86

y-axis

Back 86

the vertical number on a graph or a coordinate grid

Front 87

x-axis

Back 87

the horizontal number line on a graph or a coordinate grid

Front 88

multiplication

Back 88

a kind of operation used to find how many in all

Front 89

multiply

Back 89

to put equal groups together

Front 90

inverse operation

Back 90

an operation that gives an opposite result, or “undoes” another operation