Show with your hands what it would feel like on the inside. Students repeat the activity with other three-dimensional solids. Students discuss the differences, for example between the inside of a cone and a box, or a sphere and a cylinder. Students dictate a story about being inside their favorite three-dimensional figure. Students try to form a numeral with their bodies.
Students form the same numeral with yarn and identify the characteristics discussed.
Students repeat the activity with other numerals and compare their characteristics.