Students investigate topology. In this Applied Science lesson students explore higher, more abstract mathematics using tangles. Students make topologically related shapes.

Students explore the origin of tangram. In this algebra instructional activity, students form different shapes and figures using tangram. They solve for the area of different shapes without using any geometric formulas, but the idea of...

Students attempt to put puzzle pieces together with no prior knowledge. This activity shows students at the beginning of the year that history is like a puzzle, there are often missing pieces, and many ways the pieces can turn to look...

Investigating unique number patterns gets learners to put their thinking caps on. Your whole class examines numerical palindromes that are added and multiplied. The class works to find the pattern.

Students explore encryption. They discuss the importance of cryptography in our daily lives. Students use games and cryptography to discover transformational geometry and modulo systems. They design their own encryption puzzles and...

Students play a probability game, then design and complete a probability problem concerning changing odds.

Students combine imaginative powers with known map-making techniques to create a whole new world.