Rational Numbers Vocabulary Flashcards

1
Q

Rational Number

A

Any whole number, integer, fraction or decimal that repeats (pattern) or terminates (ends)

Examples: 3, 0.25, 1/4, -4

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2
Q

Equivalent

A

Equal to. Having the same amount of value.

Example: 3/1 = 3

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3
Q

Negative Number

A

A number less than zero.

We use - to show a negative number.

example: -3

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4
Q

Positive Number

A

A number greater than zero.

We use + or just the number to show a positive number.

example: 4 or +4

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5
Q

Opposite/Additive Inverse

A

Two numbers that are the same distance from you

example: 5 and -5 are opposites/additive inverses

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6
Q

Integer

A

A POSITIVE or NEGATIVE NUMBER but NOT a fraction or a decimal.

examples: 3, -4, 9, -20

non examples: -0.6 or 1/4

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7
Q

Whole Number

A

A POSITIVE NUMBER where there is no fraction or decimal part

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8
Q

Zero Pair

A

A number and its opposite, which add to zero

Example: 2 and -2

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9
Q

Factor

A

A number that is multiplied by another number to get a product

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10
Q

Product

A

The answer to a multiplication problem

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11
Q

Quotient

A

The answer to a division problem

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12
Q

Reciprocal/Additive Inverse

A

The number you must multiply by to get a product of 1.

EX: 2 and 1/2 are reciprocals/multiplicative inverses

EX: 4/5 and 5/4 are reciprocals/multiplicative inverses

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13
Q

Sum

A

The answer to addition

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14
Q

Difference

A

The answer to subtraction

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15
Q

Order of Operations

A
The order in which you evaluate an expression
Parenthesis
Exponents
Multiply/Divide (left to right)
Add/Subtract (left to right)
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16
Q

Irrational Number

A

A decimal that continues without a pattern (does not repeat or terminate)

***CANNOT be expressed as a fraction, whole number or integer.