Two Make Four

A Maths Starter Of The Day

Water
Water
Jug

0

Jug

0

Taps
Fill
Fill
Empty
Empty
Transfer →
← Transfer
Start Again
Success Success

You have completed the task, awesome! Scroll down the page to see buttons for setting up similar puzzles.


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Topics: Starter | Logic

  • Ben Shapland, Queen's Taunton
  •  
  • This is on Die Hard 3, full title "Die Hard with a Vengance". I want to be a cop when I grow up.
  • 5G, Sheffield
  •  
  • We thought this was a tricky problem to start with but we got there in about 5 minutes.
  • Brain Food,
  •  
  • You're a cook in a restaurant in a quaint country where clocks are outlawed. You have a four minute hourglass, a seven minute hourglass, and a pot of boiling water. A regular customer orders a nine-minute egg, and you know this person to be extremely picky and will not like it if you overcook or undercook the egg, even by a few seconds. What is the least amount of time it will take to prepare the egg, and how will you do it?
  • Transum,
  •  
  • Thanks 'Brain Food' for the egg timer puzzle. If you know of any similar or related puzzles please leave a comment here.
    A key aspect of this challenge is to come up with a system of recording the moves so that someone else can understand your solution. Your pupils are bound to come up with inventive and unique ways of doing this. Please let us know!
  • James Pennington, All Hallows Catholic High School
  •  
  • Great could not be better I would like to see more like this.

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.
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This starter has scored a mean of 3.6 out of 5 based on 433 votes.


Previous Day | This starter is for 19 February | Next Day

 

Answer

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 a button above to regenerate another version of puzzle.



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Have you read Craig's book yet?

Craig Barton must surely be the voice of Mathematics teachers in the UK. His wonderful podcasts interviewing the industry experts have culminated in this wonderful book. As Craig says: "I genuinely believe I have never taught mathematics better, and my students have never learned more. I just wish I had known all of this twelve years ago..." more...

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Graphic Display Calculator

This handheld device and companion software are designed to generate opportunities for classroom exploration and to promote greater understanding of core concepts in the mathematics and science classroom. TI-Nspire technology has been developed through sound classroom research which shows that "linked multiple representation are crucial in development of conceptual understanding and it is feasible only through use of a technology such as TI-Nspire, which provides simultaneous, dynamically linked representations of graphs, equations, data, and verbal explanations, such that a change in one representation is immediately reflected in the others.

For the young people in your life it is a great investment. Bought as a gift for a special occasion but useful for many years to come as the young person turns into an A-level candidate then works their way through university. more...

iPad Air

The analytics show that more and more people are accessing Transum Mathematics via an iPad as it is so portable and responsive. The iPad has so many other uses in addition to solving Transum's puzzles and challenges and it would make an excellent gift for anyone.

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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=February19

Here is the URL which will take them to the student version of this activity.

Transum.org/go/?to=jugs

Student Activity

 


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