Average Smile

A Maths Lesson Starter Of The Day

Find the median, mean and range of the Smile test scores:

Smile

63%

Smile

98%

Smile

57%

Smile

32%

Smile

34%

Smile

43%

Smile

92%

Smile

51%

Smile

20%

Smile

82%

Without a calculator

[Drag the faces into order to help find the median.]


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Topics: Starter | Averages | Data Handling | Statistics

  • Mr Hand's Class Of Legends, The King's School Gloucester
  •  
  • Too easy!
  • Sam Woodward, England
  •  
  • Good and challenging at the same time.
  • Margaret, Lajamanu School NT Australia
  •  
  • Looks good, could engage students in finding mode. But what's a Smile test? Percentage of what?

    [Transum: The Smile Test was a made up term for the purposes of this starter.]
  • Hagelsteens, Netherlands
  •  
  • And what is now the answer ?
    There is no median?
    Usefull in lesson.

    [Transum: As there are an even number of faces the median will be the value mid way between the middle two faces.]
  • Sarah, NC
  •  
  • Love this, great interactive board activity.

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This starter has scored a mean of 3.3 out of 5 based on 379 votes.


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Answers

Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.



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Laptops In Lessons

Teacher, do your students have access to computers?
Do they have iPads or Laptops in Lessons?

Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

Laptops In Lessons

Here a concise URL for a version of this page without the comments.

Transum.org/go/?Start=June16

Here is the URL which will take them to a self marking quiz about averages.

Transum.org/go/?to=averages

Student Activity

And here is a strategy game based on calculating the mean, median and range of three numbers.

Transum.org/go/?to=average

Student Activity

 


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