This is the first section of Chapter 1: Number Relationships. The objective here was to help students understand the difference between prime and composite numbers, and to find quick ways to determine whether a number is prime or composite.
Introduction to Identifying Prime and Composite Numbers
Defining prime number and composite number.
Experiment: Finding a More Efficient Way to Determine Whether a Number is Prime or Composite
In this activity, students tested a couple different numbers to see if they could figure out a pattern to why numbers are prime or composite. Their objective was to find out if we need to check all the possible factors of a number, or if there is a shortcut.