Basic Math Concepts

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Rational Number

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A number that can be expressed as a fraction p/q, where p and q are integers and q is not zero. This includes integers, fractions, and decimals.

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Integer

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A whole number, including zero and all positive and negative numbers. Examples: ..., -3, -2, -1, 0, 1, 2, 3, ...

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Fraction

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A way of representing a part of a whole or a part of a set. It is written as a ratio of two numbers, with a numerator and a denominator.

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Decimal

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A number that uses a decimal point to show a value smaller than one. It is a way of writing fractions with denominators of 10, 100, 1000, and so on.

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Compare

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To examine two or more numbers to see which is greater, smaller, or if they are equal.

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Order

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To arrange numbers in a sequence, from least to greatest or greatest to least.

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Equivalent

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Having the same value.

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Absolute Value

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The distance of a number from zero on a number line. It is always a non-negative value. The symbol for absolute value is ∣x∣.

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Number Line

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A line on which every point corresponds to a real number, used for visualizing and comparing numbers.