Some of the lessons have the students collecting data one day and then collecting data from the same place the next day and analyzing them. This site is a list of lessons and activities encouraging mathematical communication through the use of email. The story The Elves and the Shoemaker is read and is followed with Venn activities. Curriculum Alignment Teaching Mathematics in the Middle and Secondary Schools - 40 lesson plans created by teachers from Florida. Covers grades 4-12.
Lessons contain detailed explanations and directions.
A number of the lessons are integrated with other disciplines. NCTM standards are documented. Some lessons utilize websites. Projects require practical use of math in real life situations. More than 30 lessons with fairly simple preparation.