1. Prime, Composite and Triangular Numbers.

2. Prime Numbers
Watch the video below

3. Prime Numbers
1: In your book, write a definition of prime number.
2: Find 5 prime numbers that are not in the videos.
3: Sort the numbers below as prime or composite numbers
7, 9, 12, 17, 19, 21, 25, 27, 30, 31, 33

5. Challenges to follow…. get excited
Challenges to follow…..get excited!!!! Ask your teacher if you should have a go at these.