This arithmetic lesson talks about natural numbers and the concept of a prime number. [Arithmetic playlist: Lesson 38 of 38]
This lesson reviews the definition of a prime number and then shows how to break a number down into all of its prime factors, using a factor tree and exponential notation. [Developmental Math playlist: Lesson 52 of 196]
This lesson discusses prime and composite numbers. [Developmental Math playlist: Lesson 53 of 196]
What's the Problem? is a fun and engaging video series from WOUB Athens. This video highlights the common math mistakes that students make on tests. It is a good beginning remedial review.
When students play the Factor Trail game, they have to identify the factors of a number to earn points. Built into this game is cooperative learning — students check one another's work before points are awarded. The score sheet used for this game provides a built-in assessment tool that teachers can use to check their students' understanding.
Upon completion of this lesson, students will have learned about factors and will have visually seen how factorizations make up various numbers.
This Cyberchase video features Bianca who uses Venn Diagrams to make a pizza that satisfies the topping preferences of her friends.
This pre-algebra lesson works several examples of common divisibility. [Pre-algebra playlist: Lesson 25 of 33]
Linking the number of prime numbers and twin prime numbers.
