In this lesson our instructor talks about properties of numbers. She talks about the commutative, associative, and identity properties of addition and multiplication. She talks about recognizing properties and using properties of numbers to solve problems. She discusses using mental math to find total cost and simplify. Four extra example videos round up this lesson.
*These practice questions are only helpful when you work on them offline on a piece of paper and then use the solution steps function to check your answer.
Properties of Numbers
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.