Searching for geometry games to play with your students? These fun geometry activities will not only interest your students, they’ll also help them learn in a hands-on way.

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### Polygon Practice

Hands-on geometry activities are one of the best way to get your students interested in what they’re learning. This fun geometry activity is a great way to introduce or review polygons and parallelograms.

- Cut out triangles from stiff paper – some right, some isosceles, and some equilateral.
- Give them to students, four of each type of triangle to each student.
- Challenge them to combine the triangles to make as many types of polygons as they can in five minutes.
- After the five minutes are up, determine the winner.
- Discuss the methods they used to form polygons, as well as how many of them were parallelograms, and how many formed other shapes.

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### Finding Pi

The discovery of pi was an important one, but one few students truly appreciate. To introduce your lesson on pi, let students figure out the importance of pi on their own.

- Have them work in groups with several circular objects per group – the lid of a can, the lid of a jar, a Frisbee, a coin, etc.
- Have each group measure the diameter of each object and its circumference.
- Show them how to record this data in a table, and ask them find a relationship between the data in the two columns.
- Eventually, they should realize that one column is about three times the value of the other, which will eventually lead to the discovery of the number pi.

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### Calculating the Area

- Have students cut out squares, triangles, and other simple shapes from graph paper.
- Then have them lightly color in the shapes with colored pencils and use them to make their own works of art.
- After they’re finished, encourage them to calculate the total area of the shapes that they each used in their pieces of artwork.
- This geometry game is great practice for reviewing with students how to calculate the area of various shapes.

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### Learning the Triangle Inequality Theorem

- Give each student a long piece of yarn, and instruct them to snip the yarn into three pieces of any length.
- Then instruct them to make a triangle from their pieces of yarn. Although most of the students will be successful, some probably will not.
- Discuss why the lengths that some students chose cannot be used to form a triangle, and use this discussion as a springboard for discussing the Triangle Inequality Theorem.

These fun activities are a great way to introduce and review geometric concepts. Try some in your classroom today to engage your students and help them learn on a higher level.