To begin the lesson, display a table like the following on which data can be recorded.
| Number of People |
| Body Part | 1 | 2 | 3 | 4 | 5 | 6 |
| Eyes | | | | | | |
| Toes on 1 Foot | | | | | | |
| Toes on 2 Feet | | | | | | |
Ask the students to record entries in the table and to tell how they got them. Then ask what the entries would be if there were 8 people or 10 people. Encourage the students to skip count to find the answers.
Have students rotate among the following centers.
Teacher-Guided Center
Provide access to color tiles. Tell students they will each create a square pattern. Instruct students to build the smallest square they can with the color tiles. Discuss their squares. [A square with 1 color tile.] Then have students build the next smallest square. Ask students to describe this square. [A 2 × 2 square with 4 color tiles.] Continue this process for the next two squares. [A 3 × 3 square and a 4 × 4 square.] Give students grid paper and ask them to draw the fifth square. [A 5 × 5 square with 25 tiles.] Discuss with students how the squares changed and how they drew the fifth square.
Independent practice center
Post student pattern puzzles (from the What's Next lesson in this unit) where students can see them. Students choose three puzzles to copy. After copying these patterns, students fill in the missing elements. As a challenge, you may provide all the students with one pattern that has a mistake. Students must draw this pattern correctly.
Computer center
Access the Hundred Boards E-Example from the NCTM Standards Web site. Students create their own number patterns using the online calculator. Students record one number pattern on a hundred chart. They must write one sentence describing their number pattern.
