Pipeline Puzzle

A Maths Starter Of The Day









Arrange the numbers one to seven on the yellow tiles so that the totals of the three numbers along any pipe are the same.

Topics: Starter | Arithmetic | Puzzles

  • Sasha,
  • Brilliant site. I'm on it all the time. Really helps, I can say that much! No idea how you could make it better apart from making it bigger, so lots of schools know about it.
  • Nikki Jordan, Braunton School, Devon
  • I love the starters but do not have time to work out the answers - sometimes I don't have the brain power either! I have found the answers to most of the problems when scrolling down but sometimes they are not there.......a disappointment for me as it means the activity cannot be used if I cannot work it out myself in the meagre time I have available to plan.
    Great work though, and free, thanks very much.
  • Transum,
  • Your comments have been acted upon Nikki. The answers for this starter have now been added below for those who have a Transum subscription.
  • Emma, Mearns Primary School,Glasgow
  • This is AMAZING! In my school we use it all the time, it really gets your brain ready for maths (which I hate) but i like going just for the maths starter of the day!!
  • Kyla, East Renfrewshire
  • I really liked this one I love this website and use it all the time.
    The answers to all of the problems would make it easier to use.
    The answer to this one is 12 if that helps anyone. .
  • Terry Shaw, Beaulieu Convent School
  • Really good site. Lots of good ideas for starters. Use it most of the time in KS3.
  • Jessie, Mountbatten School
  • I really enjoyed doing this task - please make more like it!
  • Best Maths Class In Year 7, 7ab/m4
  • We had a bit of difficulty at the beginning but in the end we solved the problem like always :).
  • M Chant, Chase Lane School Harwich
  • My year five children look forward to their daily challenge and enjoy the problems as much as I do. A great resource - thanks a million.
  • Year 7 Set 1 GM, WKGS
  • We enjoyed this task and discussed a variety of methods for solving it.
  • Sam, Langley Grammar School
  • Great question!! Really gets the reader thinking before they work it out welldone!! I got 12 in each row.
  • Mrs John, Bishop Tufnell
  • Brilliant! It was a great puzzle for year 5 however, most of them were done in a flash! I'll give some of you a hint '12'!
  • L Whittaker, St Mark's
  • We did this on our number day. We did not give hints! They had to do it all on their own!
  • Ellie,
  • Great starter - my higher level year 6 found it tricky! 12 is a good clue for the teachers :).
  • Fred, Brisbane
  • This was a great starter, the whole y7 class loved it!!!!!

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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Laptops In Lessons

Teacher, do your students have access to computers such as tablets, iPads or Laptops?  This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments:


However it would be better to assign one of the student interactive activities below.

Laptops In Lessons

Here is the URL which will take them to a similar activity.


Student Activity



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