Elementary Math Quiz 1 Terms

Front 1

Operations

Back 1

Sum (+), Difference (-), Product (x), Quotient (/)

Front 2

Set

Back 2

A collection of objects (numbers)

-Called elements or members

Use braces around the number {}

Ellipses are the "..." separating numbers in a set

Front 3

Infinity

Back 3

A concept of endlessness to explain the numeric system has no boundaries.

Is NOT any one number

Front 4

Natural Numbers

Back 4

{1,2,3...Infinity}

The set of counting numbers

N

Front 5

Whole Numbers

Back 5

The set of counting numbers and zero

{0,1,2...infinity}

W

Front 6

Integers

Back 6

The set of positive and negative whole numbers

{-Infinity,-3,-2,-1,0,1,2,3,Infinity}

Z

Front 7

Rational Numbers

Back 7

The set of numbers when divided will result in a terminating or repeating decimal. Denominator cannot be zero.

{Division of 2 integers}

Q

Front 8

Fractions

Back 8

The set of numbers which are part of a whole.

Numerator/Denominator

CANNOT DIVIDE BY ZERO

Front 9

Proper Fraction

Back 9

The set of numbers where the numerator is less than the denominator

Front 10

Improper Fraction

Back 10

Numerator is greater than or equal to the denominator

Front 11

Mixed Number

Back 11

A combination of a whole number and a fraction

Front 12

Decimal Number

Back 12

Another way to write a fraction or a mixed number with a decimal point.

EX 1.5

Front 13

Irrational Numbers

Back 13

When simplified, results in a nonterminating or non repeating decimal. Never ending decimal such as pi

Capital I

Front 14

Real Numbers

Back 14

The set of all numbers that are on a number line

(All of the rational and irrational numbers)

R

Front 15

WHERE DO NUMBERS GO

Back 15

Rational #- N, goes in W, Z, Q, and R

Irrational #- I, R

Front 16

What do the letters mean

Back 16

N- Natural

W- Whole

Z- Integer

Q- Rational

I- Irrational

R- Real