# Volume of Prisms Games

Instructor: Nora Jarvis

Nora has a Master's degree in teaching, and has taught a variety of elementary grades.

Games can be a fun way to engage students as they learn about finding the volume of prisms. This lesson contains games you can use in your classroom for your geometry unit.

## The Volume of a Prism

As your students learn about geometry, they will need to find the volume of different shapes. One of these shapes is a prism, which is a solid geometric object with two identically shaped ends and flat sides. After your students have learned the formula for finding volume, you may consider a variety of ways to help your students practice with games, activities, or worksheets.

Games are always a hit with the students. It gives them an opportunity to practice what they've learned in a fun and engaging way. While worksheets can feel boring, games give students the chance to practice the same skills in an exciting way. When you do games, make sure that your students have a thorough understanding of the topic already. Games should be used for practice, rather than introducing a topic.

## Match My Prism

### Materials:

• Card stock
• Tape
• Marbles, 30 per pair

### Instructions:

• Divide students into pairs.
• Give each student a piece of card stock and marbles.
• The youngest student in each pair will take the first turn and start the game.
• The starting player should use a single piece of card stock to create a rectangular or triangular prism. After the prism is built, the player should tape it mostly shut, leaving just one entrance open. The player should fill the prism with marbles and then record how many marbles it took to fill the prism. This marks the end of their turn.
• The other student in the pair should also use a single piece of card stock to make a prism. If the first player made a triangular prism, then the second player should make a rectangular prism. If the first player made a rectangular prism, then the second player should make a triangular prism. The goal is to make a shape with a volume that is very close to the volume of the partner's prism. After the prism is built, the player should tape it mostly shut, leaving just one entrance open. The player should fill the prism with marbles and then record how many marbles it took to fill the prism. This marks the end of their turn.
• If the second prism is within 10 marbles of the first, the second partner wins the game. If it is different in volume by more than 10 marbles, the first partner wins.
• Switch roles and repeat the game.

## Pick a Prism

### Materials:

• Paper
• Writing utensils

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