Variables Review

Front

What does the letter 'm' represent in the expression m - 3?

Back

An unknown number.

Front

If J represents the number of pieces of candy Devin had, which number sentence shows Nathan had twice as many pieces?

Back

J × 2 = ?

Front

In the equation t x 3 = 36, what does 't' represent?

Back

The unknown value.

Front

If b represents the number of blue flowers, how can we express the number of yellow flowers Hailey has if she has 5 more than blue flowers?

Back

b + 5 = ?

Front

If p represents the number of pieces Kim ate, how can we express the number of pieces Susan ate if she ate 3 fewer than Kim?

Back

p - 3 = ?

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the purpose of using variables in equations?

Back

To generalize and solve problems involving unknown quantities.

Front

What does the equation x + 5 = 10 represent?

Back

It shows that x is an unknown number that, when added to 5, equals 10.

Front

How do you solve for a variable in an equation?

Back

Isolate the variable on one side of the equation.

Front

What is the difference between a constant and a variable?

Back

A constant is a fixed value, while a variable can change.