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In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).

Learners estimate how many small triangles will fill a larger shape. Then they use a triangle stamp (or stencil made from a file folder) to fill the larger shape with triangles.

In this activity, learners use tangrams ( 7-piece puzzle tiles) to assemble a variety of shapes. Tangrams are ideal for improving spatial reasoning and geometry properties.

In this activity, learners use their hands as tools for indirect measurement.

In this activity, learners cutout a set of shape finder templates to explore shapes in the world around them.

In this math activity, learners make toothpick designs by following simple patterns.