6Th Grade Math Vocabulary

Front 1

Venn Diagram

Back 1

A diagram that shows relationships among sets of things.

Front 2

Unlike Fractions

Back 2

Fractions with unlike denominators.

Front 3

Scale

Back 3

A series of numbers placed at fixed distances on a graph to help label the graph.

Front 4

Square Number

Back 4

The product of a number and itself.

Front 5

Range

Back 5

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

Front 6

Square Root

Back 6

One of two equal factors of a number.

Front 7

Simplest Form

Back 7

A fraction is in this form when 1 is the only number that can be divided evenly into the numerator and denominator.

Front 8

Predict

Back 8

To tell what might happen.

Front 9

Prime Factor

Back 9

A factor that is a prime number.

Front 10

Prime Number

Back 10

A number that has only two factors: 1 and itself.

Front 11

Positive Numbers

Back 11

All numbers to the right of zero on the number line.

Front 12

Opposites

Back 12

Numbers on the number line which are the same distance from 0.

Front 13

Ordered Pair

Back 13

A pair of numbers used to locate a point on a coordinate grid. The first number tells how far to move horizontally, and the second number tells how far to move vertically.

Front 14

Order of Operations

Back 14

Rules for performing operations in expressions with more than one operation; do the operations inside parentheses, than multiply and divide from left to right, then add and subtract from left to right.

Front 15

Numerator

Back 15

The number above the bar in a fraction that tells how many parts of the whole or group are being considered.

Front 16

Milliliter (mL)

Back 16

A unit of capacity in the metric system; 1,000 of them equals 1 liter.

Front 17

Mode

Back 17

The number of items that occurs most often in a set of data.

Front 18

Multiple

Back 18

The product of a given whole number and another whole number.

Front 19

Negative Numbers

Back 19

All the numbers to the left of zero on the number line.

Front 20

Median

Back 20

The middle number in an ordered set of data.

Front 21

Mean

Back 21

The average of a set of numbers, found by dividing the sum of the set by the number of addends.

Front 22

Line Graph

Back 22

A graph that uses a line to show how data changes over a period of time.

Front 23

Meter (m)

Back 23

A unit of length in the metric system; equivalent to 100 centimeters.

Front 24

Identity Property of Addition

Back 24

The property that states that when you add zero to any number, the sum is that number.

Front 25

Like Fractions

Back 25

Fractions with the same denominator.

Front 26

Inverse Operations

Back 26

Operations that undo each other, like addition and subtraction, or multiplication and division.

Front 27

Identity Property of Multiplication

Back 27

The property that states that the product of any number and 1 is that number.

Front 28

Frequency

Back 28

The number of times a response occurs.

Front 29

Equivalent Fractions

Back 29

Two or more fractions that name the same amount.
Example: 1/2 = 2/4

Front 30

Equivalent Decimals

Back 30

Two or more decimals that name the same the same amount.
Example: 2.1 = 2.10

Front 31

Expression

Back 31

A part of a number sentence that has numbers and operation signs but does not have an equal sign.

Front 32

Denominator

Back 32

The number below the bar in a fraction that tells how many equal parts are in the whole or group.

Front 33

Distributive Property

Back 33

The property that states that multiplying a sum by a number is the same as multiplying each added by the number and then adding products:
Example: 2(2 +4) = 2 x 2 + 2 x 4

Front 34

Equation

Back 34

A number sentence which states that two amounts are equal.

Front 35

Decimal

Back 35

A number with one or more digits to the right of the decimal point.

Front 36

Decimal Point

Back 36

A symbol used to separate dollars from cents in money and to separate the ones and the tenths place in a decimal.

Front 37

Divisible

Back 37

Capable of being divided so that the quotient is a whole number and the remainder is zero.

Front 38

Commutative Property of Addition

Back 38

The property that states that when the order of two addends is changed, the sum is the same.
Example: 10 +2 = 2 + 10

Front 39

Commutative Property of Multiplication

Back 39

The property that states that when the order of two factors is changed, the product is the same.
Example: 2 X 10 = 10 X 2

Front 40

Decimeter (dm)

Back 40

A unit of length in the metric system; 10 of them equals 1 meter.

Front 41

Composite Number

Back 41

A number that has more than two factors.

Front 42

Associative Property of Addition

Back 42

The property that states that you can group addends in different ways and still get the same sum.
Example: 2 + (1+3) = (2+1) + 3

Front 43

Associative Property of Multiplication

Back 43

The property that states that you can group factors different ways and still get the same product.
Example: 4(2 x 10) = (4 x 2) x 10