6th Grade Math Semester 1 Review

Front

What is the order of operations in math?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting any variables with their given values and performing the operations.

Front

What is a variable in math?

Back

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

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated using the formula: Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated using the formula: Perimeter = 2(length + width).

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is a mathematical expression?

Back

A mathematical expression is a combination of numbers, variables, and operations (like addition, subtraction, multiplication, and division) that represents a value.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Front

What is the sum of 8 and 5?

Back

The sum of 8 and 5 is 13.

Front

What is the difference between 15 and 7?

Back

The difference between 15 and 7 is 8.