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 'six times the number of girls' into an algebraic expression.

Back

6g

Front

Translate '78 less than Amari's test score' using c for Amari's test score.

Back

c - 78

Front

What does 'a number decreased by ten' mean in algebraic terms?

Back

x - 10

Front

Translate 'a number decreased by 12' into an algebraic expression.

Back

n - 12

Front

What is the variable in an algebraic expression?

Back

A variable is a symbol (often a letter) that represents an unknown value.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable.

Front

Translate 'Maria has $100 and deposits d dollars into her bank account. She now has $280.' into an equation.

Back

100 + d = 280

Front

What does 'decreased by' indicate in algebra?

Back

'Decreased by' indicates subtraction in an algebraic expression.

Front

What is the difference between an equation and an expression?

Back

An equation contains an equality sign and shows that two expressions are equal, while an expression does not.