Translating Word Problems into Equations

Front

What is a variable in an equation?

Back

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

Front

What does it mean to translate a word problem into an equation?

Back

It means to convert a verbal description of a situation into a mathematical expression or equation that can be solved.

Front

What is the equation for the total cost of rides at a fair?

Back

Total Cost = Entrance Fee + (Cost per Ride × Number of Rides)

Front

How do you represent 'twice a number' in an equation?

Back

2x, where x is the number.

Front

What does 'increased by' indicate in an equation?

Back

It indicates addition. For example, 'a number increased by 5' is represented as x + 5.

Front

How do you express 'five less than a number' in an equation?

Back

x - 5, where x is the number.

Front

What is the equation for 'four times a number increased by 25'?

Back

4x + 25, where x is the number.

Front

How do you write 'the difference of a number and 16' in an equation?

Back

x - 16, where x is the number.

Front

What does 'equivalent to' mean in an equation?

Back

It means that two expressions represent the same value, often indicated by the '=' sign.

Front

How do you represent '13 less than six times a number'?

Back

6x - 13, where x is the number.