Vocabulary for Weeks 1-2

Question 1

opposite operations that undo each other. Addition and subtraction are one example.

Answer 1

Inverse Operations

Question 2

A list of numbers that follow a certain sequence or pattern. Example: 1, 4, 7, 10, 13, 16

Answer 2

Number Pattern

Question 3

The _____ states that the order a problem is in does not matter. An example is 4•4=4•4

Answer 3

Commutative Property

Question 4

The _________ ________ says that it doesn’t matter how we group the numbers

Example addition: (6 + 3) + 4 = 6 + (3 + 4)
Because 9 + 4 = 6 + 7 = 13

Answer 4

Associative Property

Question 5

The ____ ______ lets you multiply a sum by multiplying each addend separately and then add the products.

Answer 5

Distributive Property

Question 6

a statement that the values of two mathematical expressions are equal (always has an = sign)

Answer 6

Equation

Question 7

In math, a symbol that represents something else (usually x or y)

Answer 7

Variable

Question 8

the action of separating something into parts, or the process of being separated.

Answer 8

Division

Question 9

The amount that you want to divide up.

Answer 9

Dividend

Question 10

a number by which another number is to be divided.

Answer 10

Divisor

Question 11

a result obtained by dividing one quantity by another.

Answer 11

Quotient

Question 12

different fractions that name the same number.

Answer 12

Equivalent Fractions

Question 13

a rational number written as a fraction where the numerator is one and the denominator is a positive integer.

Answer 13

Unit Fractions

Question 14

The measure of the amount of space inside of a solid figure

Answer 14

Volume

Question 15

how much matter is in an object

Answer 15

Mass

Question 16

facts and statistics collected together for reference or analysis.

Answer 16

Data

Question 17

a graph consisting of vertical or horizontal bars whose lengths are proportional to amounts or quantities

Answer 17

Bar Graph

Question 18

Measurement of the inside of a surface

Answer 18

Area

Question 19

a shape with at least three straight sides and angles, and typically five or more.

Answer 19

Polygon

Question 20

Lines side by side and having the same distance continuously between them.

Answer 20

Parallel

Question 21

Shapes identical in form

Answer 21

Congruent

Question 22

an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.

Answer 22

Right Angle

Question 23

a four-sided figure

Answer 23

Quadrilateral

Question 24

the continuous line forming the boundary of a closed geometric figure.

Answer 24

Perimeter