# Create a Tangram Puzzle and Observe Relationships among the Shapes

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Lesson Plans and Worksheets for Grade 3
Lesson Plans and Worksheets for all Grades

Examples, videos, and solutions to help Grade 3 students learn how to create a tangram puzzle and observe relationships among the shapes.

Common Core Standards: 3.G.1

### New York State Common Core Math Grade 3, Module 7, Lesson 8

Concept Development

Draw lines to divide squares, rectangles, trapezoids, etc. to form other polygons. Homework

1. Draw a line to divide the square below into 2 equal triangles.

2. Draw a line to divide the triangle below into 2 equal smaller triangles.

3. Draw a line to divide the trapezoid below into 2 equal trapezoids.

4. Draw 2 lines to divide the quadrilateral below into 4 equal triangles.

5. Draw 4 lines to divide the square below into 8 equal triangles.

6. Describe the steps you took to divide the square in Problem 5 into 8 equal triangles.

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