Variables Flashcard

Front

What is a variable?

Back

A letter that stands for an unknown number.

Front

What does the variable 'x' represent in the equation 25x?

Back

The number of lawns he mowed.

Front

In the equation 4 + w = 20, what does 'w' represent?

Back

The amount of Starburst.

Front

What is the purpose of a variable in mathematics?

Back

To represent an unknown value that can change.

Front

Identify the variable in the equation: 3y + 5 = 20.

Back

y is the variable.

Front

What does the variable 'n' represent in the equation 10n = 100?

Back

The number of items.

Front

In the equation x + 7 = 15, what is the value of 'x'?

Back

x = 8.

Front

What is an example of a variable in a real-life situation?

Back

The number of apples in a basket.

Front

What does the variable 'p' represent in the equation 5p = 25?

Back

The price of one item.

Front

In the equation 2x + 3 = 11, what is the first step to solve for 'x'?

Back

Subtract 3 from both sides.