Writing Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

Translate '57 more than 3 times a number' into an algebraic expression.

Back

3x + 57, where x is the number.

Front

What does it mean to 'divide a number by another number'?

Back

It means to find how many times the second number fits into the first number.

Front

Translate '4 divided by the sum of a number and 12' into an algebraic expression.

Back

4 / (n + 12), where n is the number.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

Translate 'two more than 4 times a number' into an algebraic expression.

Back

4x + 2, where x is the number.

Front

What does 'more than' indicate in algebraic expressions?

Back

It indicates addition. For example, '5 more than x' translates to x + 5.

Front

Translate 'the sum of a number and 12' into an algebraic expression.

Back

n + 12, where n is the number.

Front

What does 'less than' indicate in algebraic expressions?

Back

It indicates subtraction. For example, '5 less than x' translates to x - 5.

Front

Translate 'four times the sum of x and 6' into an algebraic expression.

Back

4(x + 6).