Review Negatives part 1 Flashcards

1
Q

Number Sentence

A

An equation or inequality Ex: x < 4 or 9 + 1 = 10

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2
Q

Negative Numbers

A

Numbers that are left of zero on the number line.

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3
Q

Positive Numbers

A

Numbers that are right of zero on the number line.

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4
Q

Opposites

A

Numbers opposite of each other on the number line. Ex: 2, -2 or -25, 25

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5
Q

Rational numbers

A

Number in between whole numbers (fractions or decimals that repeat or terminate). Ex. 3/4, 2.890

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6
Q

Integers

A

Whole numbers, numbers represented on the number line. Ex: 1, 2, 3, 4, 5

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7
Q

Inequality

A

Show a relationship between two numbers when they are different. Ex: x > 5

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8
Q

Algorithm

A

A plan on how to solve an equation that, no matter what the values, you always get the correct answer.

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9
Q

< or >

A

Open dot

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10
Q

≤ or ≥

A

Closed dot

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11
Q

Subtraction

A

Take away, left on the number line.

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12
Q

Addition

A

Add together, right on the number line.

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13
Q

Difference

A

The answer for a subtraction problem.

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14
Q

Sum

A

The answer for an addition problem.

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15
Q

Common denominator

A

A number that is devisable by both denominators when adding and subtracting fractions.

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16
Q

Number line

A

A representation of numbers, both positive and negative, and zero is the middle.

17
Q

Fact family

A

A collection of related addition and subtraction facts made from the same numbers.