Home > CC1 > Chapter 2 > Lesson 2.1.1 > Problem 2-9
2-9.
Lulu is playing “Toothpicks and Tiles”. She has arranged
tile | tile | tile | tile | tile | tile | tile | tile | tile | tile |
Use the eTool below to create an arrangement of tiles.
Click on the link at right for the full eTool version: 2-9 HW eTool