Decimal Place Value
Khan Academy discusses the tenths, hundredths, and thousandths place values in a decimal.
Khan Academy shows how decimals are added with computation and visuals.
Khan Academy explains the steps of subtraction for basic and more complex decimals.
Khan Academy has no video lessons for this topic, but he gives you a series of practice quizzes to practice your estimation and basic multiplication skills.
Khan Academy uses examples to show how division works with decimals in a series of videos.