Get several different colors of paper and cut out all the different shapes. Cut out a triangle, square, circle, rectangle and any other shape you are teaching to the class. Write an exercise on each shape, such as jumping jacks and pushups. Then you hold up a shape and ask the children to do the exercise written on the shape. Demonstrate the exercises written on each shape so the students know what to do when you hold up each shape. It is fun to play music while the class is exercising and learning shapes.
This is a game for children to learn the names of the shapes. Post a different shape in each corner of the room. Tell all the students in the class to stand in one of the corners, next to one of the four shapes. One student stands blindfolded in the center of the room and calls out one of the four shapes. Every student at the shape called out must sit down. Before the next shape is called out, all remaining students can go to a different shape or stay at the same one. The last student standing wins the game.
Place large cutout shapes on the floor and arrange them into a circle. Play music and have the students walk on top of the shapes around the circle. Stop the music and ask students to shout out the shape they are standing on. This encourages students to think on their feet about the names of shapes.
Get some blocks with different shapes and put them in a bag. Blindfold the student and ask him to take one shape out of the bag to identify it based on his sense of touch. Start this game by passing shapes around to the students and talking about how the different shapes feel in the hands.
A multitude of online games can help students of any age to practice shapes. See Resources for links to online shape games for both younger learners and older students. The games for younger learners focus on basic shapes, whereas the games for older learners use more advanced mathematics to measure different shapes.