5/2 Lesson 6.2.1 Investigating Dilations

I want you to work on Lesson 6.2.1 in pairs.  You may not leave your team to make a pair (unless one of your team members is absent).  You will need 1 computer per pair.

Problem 42 requires you to use graph paper.  Make a prediction BEFORE graphing.

Problem 43 requires you to use an eTool.  You do not need to graph on graph paper!

**Hint:  To fully connect the triangle, add the first ordered pair to the bottom of the table

Answer the following questions in your notebook:

• How does the figure change after each dilation?
• How do the line lengths change?
• How do the angles change?
• How does the figure change?

Problem 44 asks you to create your own investigation and hypothesis.

Homework:  Lesson 6.2.1 R/P 

4/29 Finish Lesson 6.1.4 Cartoon Transformations

1.  Warm-up:  Cryptogram

2.  Finish Lesson 6.1.4 Cartoon Transformations

• Take out your Lesson 6.1.4 resource page and a textbook
• Problem 33:  Follow the instructions to create a cartoon drawing
• Problem 34:  Make your own drawing and instructions using geometric transformations
• After finishing Problem 34, trade instructions (instructions only!) with another classmate.  On a separate piece of graph paper, use their instructions to create their cartoon.

3.  Finished early?  Try the Central Park desmos activity

• student.desmos.com
• Class Code: qkjv

4/28 Return Tests; Lesson 6.1.4

1.  Return Ch. 7/8 Tests

2.  Ch. 7/8 Mini-groups and Reworks

• Mini-group #1 (Pink circle):  y = mx + b
• Mini-group #2 (Blue circle):  Scientific Notation & Exponents
• Make-up test next Thursday
• Can raise grade up to an 80%
• Completed rework packet is your ticket in the door for the make up test  

3.  Those not working in mini-groups will do Lesson 6.1.4

• Grab a Lesson 6.1.4 resource page (front-back) and a textbook\
• Problem 33:  Follow the instructions to create a cartoon drawing
• Problem 34:  Make your own drawing and instructions using geometric transformations

No Homework tonight!

4/27 Lesson 6.1.3 Rules of Transformations

1.  Warm-up:  Grab a piece of graph paper and patty paper

• On a coordinate plane, plot the triangle made by the ordered pairs A:(3,1)  B:(3, -2)  and C:(6, 1)
• Transformation 1:  Translate left 2 units and down 3 units
• Transformation 2:  Rotate 90 degrees clockwise about the origin
• Transformation 3:  Reflect across the x-axis

*Challenge:  Can you transform the original triangle to its ending position in a different way?  Write instructions for doing so.

2.  Lesson 6.1.3 Rules of Transformations

• Objective:  I will begin to generalize ways to quickly translate and reflect shapes.  I will write those generalizations as "rules"
• Problems 18 and 19 ask you to make generalizations about translations using addition.
• Write a rule that a 7th grader could use to understand how a translation affects the coordinates of an ordered pair.
• Problems 20 through 22 ask you to make generalizations about reflections using multiplication.
• Write a rule that a 7th grader could use to understand how a reflection affects the coordinates of an ordered pair.
• Problems 23 and 24 in teams

Homework:  Lesson 6.1.3 R/P skip #32

4/26 Lesson 6.1.2 Transformations on a Coordinate Graph

Grab your computers! We need them for the teamwork game

Announcement:  Tests will be returned Thursday.

1.  Warm-up: SBAC Practice

2.  Lesson 6.1.2 Transformations on a Coordinate Graph

• Teamwork Game:  Giving complete, clear directions
• Obtain a Lesson 6.1.2 resource page
• Each team will divide themselves into Pair A and Pair B
• Pair A will solve the first (top) puzzle, Pair B will solve the second (bottom puzzle) WITHOUT using technology
• Write instructions (in your notebook) for the other pair.
• Your instructions need to be complete and clear.  Your teammates will not get to ask you questions about your instructions
• Exchange instructions with other pair
• Using only their instructions (no clarifying questions) see if their solution is correct
• Puzzle #1.
• Puzzle #2 .

• Guided Practice: Reflections and Rotations on the Coordinate plane
• On your own piece of graph paper, complete Problems 9 through 11

Homework:  Lesson 6.1.2 R/P #12-15