Category Archives: Uncategorized

Demand Planning

Recently in Discovering Maths we looked at the maths within supply chains and logistics. The area which I found most interesting in this was demand planning. Demand planning is a multi-step supply chain management process used to create a prediction of sales for a particular period of time (TechTarget, 2017). Used effectively demand planning can help business to improve the accuracy of their predictions, show when sales of a product are at its highest and lowest and therefore enhance the profitability of products (TechTarget, 2017).

In the workshop we had a go at creating our own demand planning sheet for a business that we had made up. At the start of the first quarter, which for any business runs from April to June, we had a budge of £5,000. The goods we had to buy from were Christmas selection boxes, champagne (bottle), soft drink (2l bottle), beer (x4cans), whole frozen turkeys, ice cream wafers (box of 10), bunch of bananas, celebration luxury hampers, crisps (x12multi pack), sherbet dib dabs, bread (loaf), milk (1l), tins of beans (x4), luxury biscuit selection, premium durian. The aim of our demand planning was to do exactly what TechTarget (2017) said, we were to work out which products we believed would be at their peak in terms of sales during this quarter in order to generate the most sales.

We continued our demand planning into quarter 2 (July – September), quarter 3 (October – December) and finally quarter 4 (January – March). Each quarter we made a profit which we were able to carry over into the next to spend on more stock and again try to generate more profits.

        

As you can see from the photos, every quarter we focused on what the season was like at this time, for example during the summer we bought ice cream cones and soft drinks, in winter we bought section boxes and luxury hampers. This however was our downfall as we didn’t consider the products that stayed reasonably high in terms of sales all year round, the biggest of these being baked beans. Due to not considering these kinds of products we ended up coming away with the lowest profit compared with the rest of the class, however we were still positive in that our demand planning did make us a profit.

The sales of the baked beans got me thinking about other products that sell well throughout the whole year, so I decided to look into this. It was very difficult to fine exactly which products make to most profit for businesses as there are lots of other aspects to consider such as shipping cost and supplier costs (Simpson, 2014). However, I did read that in the last year the supermarket chain Tescos’s profits have rose considerably compared with what they have predicted (Cox, 2017). In the Independent’s article a spokesperson for Tesco said that one of the main reasons for the rise in their profits was because of their exclusive fresh food brand (Cox, 2017). This surprised me as supermarkets cannot carry over any fresh food stock into the following quarter due to their shelf life and so many of these items need to be written off. For the supermarkets this means that they still have to pay the shipping and supplier cost even though it is likely the will not sell any all of the fresh items and therefore make no profit to take forward. However, with the fresh food products being a large contributing factor in the considerable rise in Tesco’s products it seems to me like the customers here love their fresh foods.

This is an activity I would be liketo use with a class in the upper school of primary. This is something which I think they would find enjoyable and would help them develop their knowledge in areas of mathematics such as money and percentages.

 

References:

Cox, J. (2017) Tesco Reports £1.28bn Annual Profit and First Full Year of Growth Since 2010. Available at: http://www.independent.co.uk/news/business/news/tesco-reuslts-earnings-128bn-annual-profit-first-full-year-growth-since-2010-booker-a7679401.html (Accessed on: 24th November 2017)

Simpson, E. (2014) The Hidden World of Supplying a Supermarket. Available at: http://www.bbc.co.uk/news/business-29629742 (Accessed on: 24th November)

TeachTarget (2017) Demand Planning. Available at: http://searcherp.techtarget.com/definition/demand-planning (Accessed on 27th November 2017)

Prehistoric Mathematics

1, 2, 3, 4, 5 is almost everyone’s first memory of maths, the enjoyment of being able to count. However, I have been very naive in my thinking and believed that number systems and counting have been around forever. I have recently discovered that this is not the case.

Some of the earliest evidence of mankind considering mathematically thinking can been seen on marked bones from Africa dating back to around 20,000 years ago (The Story of Mathematics, 2010). It is thought that mankind could identify the difference between having one of something and having two but they had not discovered a way of communicating this through words or symbols. It has been suggested that early mankind made markings on bone to track occurrences such as the phases of the moon, the seasons and time (All Worlds, 2015).

The first steps made towards the mathematical systems we have now were suggested to have been made for bureaucratic needs and the development of agriculture. A shared mathematical system was needing to measure land and work out taxes (The Story of Mathematics, 2010).

This video explains mankind’s first signs of mathematical thinking by looking at the Ishango Bones.

I have read through many articles while writing this post to see if there has been any final determination of what the markings on the Ishango Bones mean, however it is still unknown. The most commonly found assumption I have read is that early mankind were making these markings to track the phases of the moon but again, whether or not this is true is still unknown.

References:

All Worlds (2015) PREHISTORIC MATHEMATICS, Available at: https://www.youtube.com/watch?v=TsLqTfKtpCA (Accessed on: 6th October 2017)

International Organization for Chemical Sciences in Development (2015), The Ishango Bone. An enduring symbol of mankind’s intellectual progress and a star of archaeology from the heart of Africa, Available at: http://www.iocd.org/v2_PDF/IOCD-IshangoBrochure2015bp.pdf (Accessed on: 6th October 2017)

The Story Of Mathematics (2010), Prehistoric Mathematics, Available at: http://www.storyofmathematics.com/prehistoric.html (Accessed on: 6th October 2017)

Daunting Discovering Maths

Mathematics, one of the scariest words that can be said. I feel that I suffer from maths anxiety and so when deciding to choose the discovering maths elective I felt very nervous about what to expect. However I must say, so far so good.

From my experience of maths at school I always believed, what I now know to be one of the maths myths; it-should-be-easy suggesting not everyone has a maths brain. (University of Alabama, no date). But there was always part of me questioned this, I knew I wasn’t a maths genius; another one of the math myths but I wasn’t terribly awful at maths either, why was this? The past few lectures provided me with the answer to this – I was able to memorise formulas and structures and apply them to mathematical questions.

Another question about my own math experience started to puzzle me, if I was able to apply what I had memorised to basic mathematical questions, why did I always struggle when the format of the question was changed? For example, if the teacher put the question what is 2 + 3 in front of me I could answer within seconds but when it changed to the question “if I had 2 sweets and my friend gave me another 3, how many would I have altogether?” it would take me some time to work out what this question was asking me to do. The answer to this was simple, during my time at school I had very little practical maths lessons. I cannot remember ever having a maths lesson I didn’t realise at the time was a maths lesson or one I even found enjoyable. Boalar (2009) suggest that children, like myself, who have been taught in a very structural way do have a board range of understanding, however this understanding is not deeply engrained so is easily forgot over time. She also suggests that children who have experienced a more practical approach to mathematics were more flexible and so were able to adapt their knowledge to suit the question that was in front of them.

Since starting this module I have realised many potential ways mathematics can be enjoyable for children. I thoroughly enjoyed the latest lecture on making maths creative. Until this lecture I most likely could tell you very little about geometry and I most definitely could not tell you anything about tessellations. However, I know feel my brain is filled with so much more knowledge about these aspects of mathematics and I certainly won’t forget making my own tessellation, I even plan to make some more.

I am starting to see that discovering maths might not be so daunting after all.

References:

Boaler, J. (2009) The Elephant in the Classroom. London: Souvenir Press Ltd.

University of Alabama (no date).  Math Myths.  Available online at: http://www.ctl.ua.edu/CTLStudyAids/StudySkillsFlyers/Math/mathmyths.htm (Accessed 26th September 2017).

Reflective Practice

One of  the most important moments in semester one for me was preparing with my peer learning group for our collaborative practice enquiry visit. In preparing for the visit we had to create the questions and examples we would like the professionals to answer that would help us to create a final presentation that would fulfil the specified criteria. This was an important of semester one as it was critical that our group worked together to form the questions which would allow us to be successful in completing the module assessment. Had the group not worked collaboratively and understood the different perspective each of the 3 professions then it would have been very difficult to produce questions that would have covered all the aspects that needed to be cover. This was a key moment in my professional development as it showed me how essential it is to take into consideration the views of all three professions so that the best decisions can be made for a child or young person.

The process of reflection is becoming more prominent to me. Reflecting on the collaborative practice enquiry and the work we completed as a group is the reason why I have realised the importance of taking into consideration of all 3 of the professionals views so that the best decision is made for a child and their overall wellbeing. From this I have started to understand the importance of refection in order to understand the reasons for things I will come across in practice. Using the theories provided by theorist like Dewey and Schon, I will be able to come to a greater understanding of reflection and its importance within my practice in order to help me improve myself as a practitioner. Using this information to help me continuously improve is therefore going to help me become a more successful practitioner.