Variables and Word Problems

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number that can change or vary.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, often containing variables.

Front

What does 'two times a number' mean in algebra?

Back

It means to multiply a variable (like x) by 2, represented as 2x.

Front

How do you represent 'a number plus five' in algebra?

Back

It is represented as x + 5, where x is the variable.

Front

What is the equation for 'Trevon had $29 and received some money to have $41'?

Back

The equation is 29 + n = 41, where n is the amount of money received.

Front

What does 'g divided by 9' look like in algebra?

Back

It is represented as g/9.

Front

How do you express 'y times 6' in algebra?

Back

It is expressed as 6y.

Front

What does '100 divided by c' represent in a word problem?

Back

It represents how much money each child receives if $100 is split among c children.

Front

What is the first step in solving the equation 2x + 5 = 15?

Back

The first step is to subtract 5 from both sides of the equation.