**Category:** 3D Objects & 2D Shapes**Suitable for Grade Level:** Elementary and Secondary

**The Math in this Problem:**

Use patterns to describe the world and to solve problems. Describe and compare everyday phenomena, using either direct or indirect measurement. Describe the characteristics of 3-D objects and 2-D shapes, and analyze the relationships among them. Perform, analyze and create transformations.

Use the four blue, odd-shaped tiles to make a Greek Cross A.

After you have done this, use them to make the square B.

#### Patterns and Relations (Patterns)

- Use patterns to describe the world and to solve problems.

#### Shape and Space (Measurement)

- Describe and compare everyday phenomena, using either direct or indirect measurement.
- Describe the characteristics of 3-D objects and 2-D shapes, and analyze the relationships among them.
- Perform, analyze and create transformations.