Expressions Practice

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.

Front

What is the Distributive Property?

Back

The Distributive Property states that a(b + c) = ab + ac, meaning you can distribute a number across a sum.

Front

How do you write an expression for '12 more than z'?

Back

The expression is 12 + z.

Front

What is the equivalent expression for 3.8 x 3.8 x 3.8 x 3.8 x 3.8?

Back

The equivalent expression is 3.8^5.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variables involved.

Front

What is a variable in mathematics?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Front

What is the result of applying the Distributive Property to 9(x + y)?

Back

The result is 9x + 9y.

Front

Which expression is NOT equivalent to 5(n + 4)?

Back

5(n + 20) is NOT equivalent.

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.