Color TV (inductive reasoning, counting)

Color TV (inductive reasoning, counting)

Colour TV (MathPickle, 2023) What a beautiful pattern! I love that it starts out with high symmetry for the 1s, but becomes asymmetric. Can you figure out the laws for the mini mathematical universe? Trevor Hoffman extended the pattern far beyond the video above. Have...
Taxi Cab Triangles (factoring, proof)

Taxi Cab Triangles (factoring, proof)

Taxi Cab Triangles (MathPickle, 2023) I love the look on students’ faces when I call these things triangles. “These are not triangles”, they insist. This is precisely the type of discussion on definitions that is so useful. We might end up calling...
Color Vortex (mini mathematical universe, primes)

Color Vortex (mini mathematical universe, primes)

Color Vortex (MathPickle, 2022) A beautiful Mini Mathematical Universe for your students to discover. What are the rules governing this universe? What questions do you have? If you can answer the question I have in the video I’ll be so so happy!  It is...
Diversity City (division, average, geometry)

Diversity City (division, average, geometry)

Diversity City (MathPickle, 2022) In the 1960s Singapore had racial riots and between ethnic Malays and Chinese. The authoritarian government of Lee Kuan Yew solved the problem by mandating social mixing. For example, apartment buildings had to have both Malay and...