1. Definition of an Arithmetic Sequence2. Common Difference2.1. Meaning of Common Difference \(d\)2.2. Finding \(d\) from Terms3. General Term of an Arithmetic Sequence3.1. Formula for \(a_n\)3.2. Using \(a_n\) to Find Unknown Terms4. Finding Terms of an AP4.1. Finding Any Term from Given Terms4.2. Inserting Terms Between Two Numbers5. Examples5.1. Simple AP Examples5.2. Real-Life AP Patterns