Guided notes on 1-7 Angles and Angle Pairs/Writing Proofs from enVisions. Includes naming angles, angle pairs, angle addition postulate, and writing proofs- work space for students to complete the notes. There is an answer key provided as well. You can use my notes or edit notes based on your curriculum or class. **Does not include all examples from enVisions 1-7, but you may edit and add more examples if you need StandardsHSG.CO.C.9: Prove theorems about lines and angles.