Fun with Probability

We had an introduction to basic work on probability for something a little bit different this week, as we head towards the end of term.  Work in this area also takes in work on Fractions and Information Handling which we are looking at in class just now so the game ‘Blocko’ fitted in well!

Each pair were given a board with sections marked 2 -12 and 12 cubes.  They were asked to arrange the cubes in any way they liked.

Some chose their favourite numbers.
Some placed them randomly.
Some placed one on each number with one extra placed randomly.

They were then told the rules of the game and were given the chance to rearrange their cubes once they had been given the full instructions!  When two dice were rolled, the total of the two numbers would be shouted out and if they had a cube on that number, they could remove it.  The winners would be the first to remove ALL cubes and shout, “BLOCKO!”

Some were happy with their choices and chose to leave them as they were.  Others began to think about our introduction to probability and began to realise that some totals are more likely to be rolled than others, given the number of combinations that can make them.

Random placement but changed as the photo below shows.
This pair thought there would be more likelihood that the totals 5, 6, 7, 8 and 9 would be thrown.

We had a couple of competitive games with everyone keen to be the first to remove all their cubes!

For our second run through, we recorded the results we got and displayed them in a Frequency Chart.  We discussed what this tells us about the probability of rolling certain totals and we talked about what surprised us.  We did not expect 3 to be rolled so often given that there is only one way to make it!

Blocko Frequency Chart

It was a fun Maths time! 🎲

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First Aid

Our Health and Well-being work this term has centred around the safe use of medicines.  This led us to find out about basic first aid techniques that should be carried out when minor injuries happen.  Discussions naturally developed into what would happen if….? We decided to invite Andrew Best, a First Aid Responder, to talk to our class and to demonstrate what would happen in more serious situations.

We were told about the first action to take on finding someone who is clearly unwell. Check you are safe and speak to them, gently shaking them, to see if they respond.
Check for signs they are breathing and, if so, put them into the recovery position and call for help.

We then had the opportunity to practise putting our partners in the recovery position.

Andrew and Jack then showed us what to do if the person wasn’t breathing.  He talked us through making a 999 call and emphasised the importance of getting help quickly.  We’ll talk more about this next week.

He talked us through giving CPR on adult bodies, children and babies.  We all got to experience what this felt like using his dummies.  We were surprised at how hard and deep you had to press down!

Andrew showed us how to use a defibrillator and we talked about where to find the nearest one to our school.

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We would like to say a big thank you to Andrew and Jack.  Everyone has hopefully learned some life long skills today and, who knows, maybe a spark of interest for some future careers has been lit!

 

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Museum Trip

Primary 4/5 visited The Shetland Museum on Wednesday 5th June to learn more about Shetland in World War Two.

Lots of changes were taking place in Shetland during that time and it was interesting to learn about how people lived and adapted to these changes.

We looked at World War Two exhibits, learning about the Home Guard, The Shetland Bus operation, stories about men who were fighting in other countries and how soldiers created their own entertainment here in Shetland to boost morale.

We learned that materials were rationed and it was common for children to make their own toys out of things they could find around the house.  We made our own peg dolls!  What a creative bunch in P4/5!