-
Lesson 1 How Do You Know That?
-
Lesson 2 Do You See What I See?
-
Lesson 3 Can You Say It with Symbols?
-
Lesson 4 It’s All in Your Head
-
Lesson 5 Parallelism Preserved and Protected
-
Lesson 6 Claims and Conjectures
-
Lesson 7 Justification and Proof
-
Lesson 8 Parallelogram Conjectures and Proof
-
Lesson 9 Guess My Parallelogram
-
Lesson 10 Centers of a Triangle