Tag: hexadecimal

Hexadecimal colors or paint by number

Probably most of us have heard of and even used hexadecimal color codes. Don’t you wonder why their number descriptions really make sense? In this activity we first ask students to color in our Golden Spiral by giving them the…

Really old “New Math”

Tom Lehrer is a singer, songwriter, satirist, pianist and mathematician who has written some wonderful songs. In 1959 he wrote a song called “New math”.  At that time, much of mathematics teaching was reoriented.  Parents of elementary school aged children…