Chapter 1-2 OST Review (6th grade) Flashcard

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Define an expression in mathematics.

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An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

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What is the order of operations in mathematics?

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The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). (PEMDAS)

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What is a fraction?

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A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

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What does it mean to divide fractions?

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Dividing fractions involves multiplying the first fraction by the reciprocal of the second fraction.

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What is a mixed number?

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A mixed number is a whole number combined with a proper fraction.