6th grade math expressions

Front

Identify the variable in the expression: 3x + 9

Back

x

Front

What is the order in which expressions are evaluated?

Back

Order of Operations: Parenthesis, Exponents, Multiplication & Division (left to right), Addition & Subtraction (left to right).

Front

Evaluate the expression: (10 + 5) - 6

Back

9

Front

Write in exponent form: 4 * 4 * 4 * 4 * 4 * 4 * 4 * 4

Back

4^8

Front

Write the expression for: $5 less on dinner than James spent.

Back

j - 5

Front

What is a variable in mathematics?

Back

A symbol used to represent a number that can change.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting variables with numbers.

Front

What is the difference between an expression and an equation?

Back

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

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

What is the purpose of parentheses in math expressions?

Back

To indicate which operations should be performed first.