CPM Student TutorialsMaking Connections 2 Chapter 2MC2 2.2.1: 2-45 Key-Lock Puzzle (CPM & Videos)

MC2 2.2.1: 2-45 Key-Lock Puzzle (CPM & Videos)

1. Key-Lock eTool:

  • Choose between triangle and key.
  • Click the Gear to create puzzles and save.
Key-Lock eTool:

2. The left tray records all rigid transformation steps!

The left tray records all rigid transformation steps!

3. Intro Problems:

  • Drag to translate (or)
  • Click on the translate button in the tray.  Choose the desired translation.
  • Click the "?" for complete instructions.
Intro Problems:

4. When the key is placed in the key hole correctly, the student is congratulated!

When the key is placed in the key hole correctly, the student is congratulated!

5. Wall problems: Each of these have at least one wall which cannot be bumped or crossed.

Wall problems: Each of these have at least one wall which cannot be bumped or crossed.

6. Star Problems: These are the most challenging.

Star Problems: These are the most challenging.