Stem & Leaf Diagrams – Demonstration

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Presentation transcript:

Stem & Leaf Diagrams – Demonstration This resource provides animated demonstrations of the mathematical method. Check animations and delete slides not needed for your class.

Stem & Leaf Diagrams ① 6 people took part in a long jump competition. Here are the results: 2.1 m 2.7 m 1.8 m 2.4 m 3.2 m We will group the results to make them easy to read. Key: 2 4 Represents 2.4 m Stem Leaf 1 8 2 1 1 4 7 3 2 What was the modal result? 2.1 m

Stem & Leaf Diagrams 8 people went bowling. Here are the scores: ② 48 26 27 34 49 40 37 26 We will group the results to make them easy to read. Key: 3 4 Represents 34 points 2 6 6 7 3 4 7 4 8 9 What was the modal score? 26 points

Stem & Leaf Diagrams ③ Here are the ages of 12 people who went to a movie. 11 15 27 22 18 30 9 34 23 We will group the results to make them easy to read. Key: 1 5 Represents 15 years old 9 1 1 5 5 5 8 2 2 3 7 7 3 4 What was the modal age? 15 years old

Stem & Leaf Diagrams ④ 20 students took a science test. Here are their scores. 32 46 28 35 41 51 60 37 25 57 40 36 43 24 Put the data into a stem & leaf diagram. 2 4 5 5 8 8 Key: 2 4 Represents 24 marks 3 2 2 5 6 7 7 4 1 3 6 6 5 1 7 6 What was the modal score? No modal score

tom@goteachmaths.co.uk Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk