The video provides a math tutorial for 7th-grade students, focusing on a final test prep review involving various math problems and solutions. It covers topics like calculating profits, solving equations, understanding probability, and determining average walking speed.

Ellen's cupcake store's financial performance is analyzed over a period of eight months, showing a profit of $220 in the initial phase and a subsequent loss of $150 per month for four months.

The chapter explains how to calculate the mean average for monthly profit over the first 12 months by summing up the profits and losses for each month and dividing by the total number of months. It demonstrates the process using examples and simplifying the calculations step by step.

The chapter discusses solving mathematical problems using long division and subtraction techniques. It covers dividing large numbers, understanding fractions, and applying subtraction in complex equations.

When combining like terms with variables and numbers, it is essential to group terms with the same variable together and then simplify the expressions by performing operations based on the variables and numbers separately. This process involves treating variables as 'animals in a zoo' and organizing them before dealing with the numerical values.

The chapter covers various mathematical operations involving fractions and decimals, demonstrating how to perform calculations such as multiplication, addition, and subtraction with detailed step-by-step explanations.