One of a series of "inserts" in the ground at Leicester Harold Martin Botanic Garden that are dedicated to the Fibonacci series. It's a mathematical "pattern" that lies behind much of the natural world. It governs the Golden section, it controls the twist of a spiral shell or the layout of seeds on a sunflower's head. It's simple - just add together the previous two numbers to get the next in the series. It's also beautiful.

Pascal coloring and modular math - This is the third and final activity in the Pascal's Triangle series. In this activity students again have the opportunity to color as they investigate P.

sierpinski-tetrahedron-tri- Sierpinski Tetrahedron (level Made from Nick Robinson's trimodule modules and 126 links). The links were made from narrow rectangular straps of paper by folding two flat pentagonal knots on each.

This is Albrecht Dürer's Magic Square - not only to do rows, columns, and diagonals add up to but so do all the combinations of 4 numbers marked by linked dots in the squares.