• Invite previously identified students to share.
• Display the last puzzle:

  

• “Which pattern block is missing from this puzzle? How do you know?”
• “Even though the shape is tilted, we can turn the orange square to see that it fits.”

The purpose of this activity is for students to identify examples of the same shape in different orientations. As in the previous activity, identifying the same shape in different orientations helps students to notice important properties of the shape, such as having 4 sides, with 1 side longer than the other 3 (MP7).

• “How did you choose which shapes to color red?”
• “How can you use red trapezoid pattern blocks to find shapes that are the same?”

• Display the student book and point to the trapezoid in the bottom right corner of the picture.

  

• “What color did you use for this shape? Why?” (Red because the red pattern block fits in the shape.)
• “Did you color fewer green triangles or orange squares? How do you know?”

The purpose of this activity is for students to choose from activities that offer practice with building shapes and putting them together to form larger shapes.

Students choose from any stage of previously introduced centers:

• Geoblocks
• Build Shapes
• Pattern Blocks
• Fewer, Same, More

• “When you were working in centers, did you try something that didn’t work? What did you do? Did you try something else?”