Writing Expressions and Equations

Front

The difference of a number and 9 is 12. Write the equation.

Back

n - 9 = 12

Front

The quotient of a number and 3 is 9. Write the equation.

Back

n / 3 = 9

Front

What is a number to the power of 9?

Back

n^9

Front

Joey has some baseball cards. He gives 3 to a friend. He now has 25 baseball cards. Write the equation.

Back

c - 3 = 25

Front

Write an expression for the product of five and nine.

Back

5 x 9

Front

What does 'expression' mean in mathematics?

Back

A combination of numbers, variables, and operators (like +, -, x, /) that represents a value.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

Define 'variable' in mathematics.

Back

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

Front

What is the purpose of using parentheses in expressions?

Back

To indicate which operations should be performed first.

Front

What does 'solving an equation' mean?

Back

Finding the value of the variable that makes the equation true.