9-2 Translations Rigor – Given a geometric figure, students will translate the figure using graph paper and will represent the translation using function.

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9-2 Translations Rigor – Given a geometric figure, students will translate the figure using graph paper and will represent the translation using function notation or vector notation Relevance – Transformations are used to describe movement

Review of Rays: discussion  When naming a ray, what information does the first letter give you?  What information does the second letter tell you?

Vectors

Transformations

EX: Describe the translation below using function notation and vector notation.  Way 1:  Way 2:

EX: Coordinates

EX: Chess A) What are the vectors that describe each move of the black bishop? B) Where is the bishop in relation to its original position?

EX: Marching Band In marching band, it takes 8 standard steps to march 5 yards. Kris starts the show 8 steps to the left and 8 steps up from the center of the field. He marches his snare 16 steps to the right and then 24 steps down the field to his next position. What is Kris’s final position? How many yards away from his starting position is Kris?

Complete example 3 on pg 379 of the core book You will not be responsible for constructing a transformation this unit!

9-2 Classwork Core book pg379 – 380 Problems #1 – 7, 10 – 12