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A Mathematics Lesson Starter Of The Day


Topics: Starter | Arithmetic | Investigations | Puzzles

  • Mairi Salters, Burwell VC Primary School
  • Thursday, June 21, 2007
  • "I copy the pages onto a flipchart on the electronic whiteboard. That way the class can take their time at it, as we use it as a half-hour settling in activity rather than a starter to the numeracy lesson proper. I use it with a Year 4 clsas, so a lot of the starters are too advanced for them. However, they have got on well with the ones we have used. Would be delighted to see similar written specically for KS2!"
  • J.Hesmer, Filsham Valley
  • Thursday, June 11, 2009
  • "I found this an awful starter, it was incredebly difficult for my YEAR 7 group!"
  • L Martin, Canterbury
  • Tuesday, June 23, 2009
  • "I tried it with my Year 7s. They did it in 20 seconds flat. We extended it to algebra, to prove it."
  • L. Northern, Hayle School
  • Tuesday, May 18, 2010
  • "We had a long discussion, we found out that:
    1. The middle number has to be odd
    2. If all the numbers are odd or all the numbers are even, it will always work
    3. When you chose a middle number, you have to have the smallest and largest above it, and the middle numbers either side.
    We thought it was a good problem.
    Hayle School Year 7 maths class."
  • Susan, Australia
  • Tuesday, June 4, 2013
  • "This lead beautifully into an activity about surface area - using the net."

How did you use this starter? Can you suggest how teachers could present or develop this resource? Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
Click here to enter your comments.

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Excellent, I would like to see more like this
Good, achieved the results I required
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Didn't really capture the interest of the students
Not for me! I wouldn't use this type of activity.

This starter has scored a mean of 3.6 out of 5 based on 175 votes.


Previous Day | This starter is for 3 June | Next Day

 

Answers

We found 24 different solutions. Are there any more?

  4  
1 3 5
  2  

 

  4  
5 3 1
  2  

 

  4  
2 5 3
  1  

 

  4  
3 5 2
  1  

 

  5  
3 1 4
  2  

 

  5  
4 1 3
  2  

 

  5  
2 3 4
  1  

 

  5  
4 3 2
  1  
  2  
1 5 4
  3  

 

  2  
4 5 1
  3  

 

  3  
2 1 5
  4  

 

  3  
5 1 2
  4  

 

  3  
1 5 4
  2  

 

  3  
4 5 1
  2  

 

  4  
2 1 5
  3  

 

  4  
5 1 2
  3  
  1  
2 3 4
  5  

 

  1  
4 3 2
  5  

 

  1  
2 5 3
  4  

 

  1  
3 5 2
  4  

 

  2  
3 1 4
  5  

 

  2  
4 1 3
  5  

 

  2  
1 3 5
  4  

 

  2  
5 3 1
  4  

Can you prove that the centre number has to be odd?

You may want to print out this page, cut out each answer and arrange them into groups. This may help you spot patterns.


Laptops In Lessons

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

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

Laptops In Lessons

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

Transum.org/go/?Start=June3

Here is the URL which will take them to a student version of this activity with different levels of difficulty.

Transum.org/go/?to=Plus

 

 




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