### Home > CC1 > Chapter 2 > Lesson 2.1.1 > Problem 2-7

2-7.

Elizabeth wants to challenge you to a “Toothpicks and Tiles” game. Do you remember it from Lesson 1.1.2? Using exactly six tiles, solve her challenges below. Justify your answers with pictures and labels. 2-7 HW eTool (CPM) Homework Help ✎

Find a pattern where the number of toothpicks is more than double the number of tiles.

Find a pattern where the number of toothpicks is 4 more than the number of tiles.

Click and drag the tiles in the eTool below to form a design with the characteristics above.

Remember that the toothpicks refer to the side lengths around the arrangements.

Click the link to the right to view full version. CC1 2-7 HW eTool