Write Algebraic Expressions

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What is an algebraic expression?

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An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 2x + 3 is an algebraic expression.

Front

What does it mean to 'split' an amount among friends?

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How do you represent '30 less than a number' in algebraic form?

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The expression for '30 less than a number' is written as n - 30.

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What is the result of a subtraction problem called?

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The result of a subtraction problem is called the 'difference'.

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How do you express 's students split evenly into 5 groups'?

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What is a variable in algebra?

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A variable is a symbol, often a letter, that represents an unknown value. For example, in the expression 2x + 3, 'x' is a variable.

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What is a constant in an algebraic expression?

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A constant is a fixed value that does not change. For example, in the expression 2x + 3, the number 3 is a constant.

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What does the term 'coefficient' mean?

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A coefficient is a number that is multiplied by a variable in an algebraic expression. For example, in 4x, 4 is the coefficient.

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How do you write an expression for 'the sum of a number and 5'?

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The expression for 'the sum of a number and 5' is written as n + 5.

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What is the difference between an equation and an expression?

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An equation states that two expressions are equal, while an expression is a combination of numbers, variables, and operations without an equality sign.