# Study sets matching "8 elementary math"

Addition

Subtraction

Multiply

Divide

bringing two or more numbers (or things) together to make a ne…

taking one number away from another.

The basic idea of multiplying is repeated addition.

To divide is to split into equal parts or groups. It is "fair…

Addition

bringing two or more numbers (or things) together to make a ne…

Subtraction

taking one number away from another.

Counting Numbers

Cardinality

Base-Ten Representation

Base- Ten system

1,2,3,4,5,........,210,......612,698... (identify the counting nu…

describes how many things are in a set

a string of digits that represent a number such as 1,2,3,4

0-9

Counting Numbers

1,2,3,4,5,........,210,......612,698... (identify the counting nu…

Cardinality

describes how many things are in a set

Whole numbers

Types of whole numbers

cardinal

ordinal

0,1,2,3,4,5,6,7

cardinal and ordinal

for counting objects (race cars)

ordering objects (first, second, third)

Whole numbers

0,1,2,3,4,5,6,7

Types of whole numbers

cardinal and ordinal

Variable

Term

Constant Term

Coefficient

A letter or symbol used to represent an unknown number.

A number or a variable or a product or quotient of numbers and…

If an expression has a term that is a number (without a variab…

The number in front of each term.

Variable

A letter or symbol used to represent an unknown number.

Term

A number or a variable or a product or quotient of numbers and…

speed

additive inverse

Associative Property

Distributive Property

distance/time

a number a is the number that, when added to a, yields zero. T…

For addition, the rule is "a + (b + c) = (a + b) + c"; in numb…

this property as "a(b + c) = ab + ac". In numbers, this means,…

speed

distance/time

additive inverse

a number a is the number that, when added to a, yields zero. T…

congruent

A line of symmetry

Product

estimate

figures that are the same size and shape

a line that divides a shape with 2 exactly alike parts

the answer to a multiplication problem

a number close to the exact number

congruent

figures that are the same size and shape

A line of symmetry

a line that divides a shape with 2 exactly alike parts

Speed

least common multiple

greatest common factor

additive inverse

Distance ÷ time

The smallest shared multiple of any two integers

The largest number that is a common divisor of a given set of…

The _______________________ of a number a is the number that,…

Speed

Distance ÷ time

least common multiple

The smallest shared multiple of any two integers

Arithmetic Sequence

Constant value of Arithmetic sequence

Geometric Sequence

Constant value of Geometric Sequence

each term after the first is obtained by adding a constant val…

common difference

each term is obtained by multiplying the preceding term by a c…

common ratio

Arithmetic Sequence

each term after the first is obtained by adding a constant val…

Constant value of Arithmetic sequence

common difference

Identity Property of Addition

Identity Property of Multiplication

Closure Property

Algorithm

This just lets you know that when you add a number to zero, th…

This property says that anytime you multiply a number by 1, yo…

Only works for addition and multiplication. Any time you add o…

This is a step-by-step solution, like when you work thru long…

Identity Property of Addition

This just lets you know that when you add a number to zero, th…

Identity Property of Multiplication

This property says that anytime you multiply a number by 1, yo…

Addition

Closure Property

Subtraction

Types of Subtraction

set A with a elements and B with b elements which are disjoint…

If you add two whole #s you will always get a whole # because…

Inverse of addition

Take Away... Comparison... Missing Part

Addition

set A with a elements and B with b elements which are disjoint…

Closure Property

If you add two whole #s you will always get a whole # because…

Addition

Subtraction

Multiply

Divide

bringing two or more numbers (or things) together to make a ne…

taking one number away from another.

The basic idea of multiplying is repeated addition.

To divide is to split into equal parts or groups. It is "fair…

Addition

bringing two or more numbers (or things) together to make a ne…

Subtraction

taking one number away from another.

Variable

Term

Constant Term

Coefficient

A letter or symbol used to represent an unknown number.

A number or a variable or a product or quotient of numbers and…

If an expression has a term that is a number (without a variab…

The number in front of each term.

Variable

A letter or symbol used to represent an unknown number.

Term

A number or a variable or a product or quotient of numbers and…

Rote memorization

One-to-one correspondence

Cardinality principle

Subitize

Knowing the list of counting words in order

Children understand each item gets its own number

The last number said in counting is the final number of the set

Ability to recognize the exact quantity without counting

Rote memorization

Knowing the list of counting words in order

One-to-one correspondence

Children understand each item gets its own number

Acute angle

A right angle measures 90°.

An obtuse angle

A straight angle

An acute angle measures less than 90°

The small square at the vertex of this angle indicates that th…

measures between 90° and 180°.

is formed by two opposite rays.... It measures 180°.

Acute angle

An acute angle measures less than 90°

A right angle measures 90°.

The small square at the vertex of this angle indicates that th…

Perpendicular lines

Protractor

Parallel lines

Obtuse angle

Lines that form right angles

A tool used to draw or measure angles

ines in the same plane that never meet

An angle that measures more than 90 degrees but less than 180…

Perpendicular lines

Lines that form right angles

Protractor

A tool used to draw or measure angles