This lesson aims to help students sort, organize and classify data in a tally chart. Drawing tally marks should be appreciated as an easy and organized way of keeping count. Students should understand that tally marks are organized in groups of five, as in this way keeping track of the total is much easier.
Important key words during lesson: Tally Charts, Tally Marks , Frequency.
Point of Interest: Humans were making tally marks on wood and bone as a means of counting, as early as 40,000 years ago.