CYU 4.7 Word Problems - 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 solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the equation for finding the total cost when splitting expenses?

Back

Total Cost = Number of People × Cost per Person.

Front

How do you represent a situation where you have a starting amount and are adding to it?

Back

Use the equation: Starting Amount + Amount Added = Total Amount.

Front

What is a word problem in mathematics?

Back

A problem that presents a mathematical situation in the form of a story or real-life scenario.

Front

How do you set up an equation from a word problem?

Back

Identify the unknown, define variables, and translate the words into mathematical expressions.

Front

What is the purpose of using equations in word problems?

Back

To model real-life situations mathematically and find unknown values.

Front

What does 'splitting costs' mean in a word problem?

Back

Dividing the total cost equally among a group of people.

Front

How can you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the first step in solving a word problem?

Back

Read the problem carefully and identify what is being asked.