Writing Equations

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

Front

What does the symbol '=' represent in an equation?

Back

The symbol '=' means 'is equal to' and indicates that the values on both sides of the equation are the same.

Front

How do you represent a situation where a total is reached by adding a number to another?

Back

You can represent this situation with the equation: total = part + part.

Front

If Marcus has sold 9 tickets and needs to sell 25, how can we express the number of tickets he still needs to sell?

Back

The equation is t + 9 = 25, where t is the number of tickets he still needs to sell.

Front

What does the term 'variable' mean in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation.

Front

How can you express a situation where a person earns a certain amount per hour?

Back

You can express this with the equation: total earnings = hourly rate × number of hours worked.

Front

What is the equation that models Cheryl's earnings if she earns $8 per hour and made $96?

Back

The equation is 8h = 96, where h is the number of hours worked.

Front

How do you model a situation where a total is reached by subtracting a number from another?

Back

You can represent this situation with the equation: total = part - part.

Front

If Ted bought a poster for $12 and has $5 left, how can we express the total amount he had?

Back

The equation is m - 12 = 5, where m is the total amount Ted had.

Front

What does the term 'coefficient' refer to in an equation?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.