Stem and Leaf Diagrams inlcuding Pictograms

This lesson has a puzzle to display on the board as the students enter, its not easy but the solution is on the next slide. The starter is to create a pictogram of Harry Potter characters. Each student picks a character and the they watch a clip and keep a tally of haw many times that character appears, they then come up to the board and use Dobby to create the Pictogram.
Stem and leaf diagrams are then introduced with questions on how many spells Harry Potters friends cast each week. They have to calculate the mode median and range and also percentages. There is then a whole class question about texting and a stem and leaf diagram can be drawn form their data. There is a completed stem and leaf diagram as a Plenary where the students have to make a decision about a race, who is quickest, girls or boys?