Identifying Parts of Expressions & Writing Expressions

Front

What is an expression?

Back

An expression is a mathematical phrase that can contain numbers, variables, and operators, but does not have an equality sign.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equality sign ('=').

Front

Identify the expression: 5x + 3 or 5x + 3 = 8?

Back

5x + 3 is an expression.

Front

Identify the equation: 6 + t = 13 or 6 + t?

Back

6 + t = 13 is an equation.

Front

How do you write 'a number decreased by 9' as an expression?

Back

x - 9.

Front

How do you write 'three times a number' as an expression?

Back

3d.

Front

What does 'three more than a number' mean in expression form?

Back

c + 3.

Front

What does 'a number divided by 3' look like in expression form?

Back

x ÷ 3.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

Write the expression for 'the sum of a number and 5'.

Back

x + 5.