Drag the 20 flowers into the gardens so that 9 flowers are visible from each window of the house. Each window has a view of three of the green square gardens.
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Transum.orgThis web site contains over a thousand free mathematical activities for teachers and pupils. Click here to go to the main page which links to all of the resources available. Please contact me if you have any suggestions or questions. 
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Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician? Comment recorded on the 3 October 'Starter of the Day' page by S Mirza, Park High School, Colne: "Very good starters, help pupils settle very well in maths classroom." Comment recorded on the 14 September 'Starter of the Day' page by Trish Bailey, Kingstone School: "This is a great memory aid which could be used for formulae or key facts etc  in any subject area. The PICTURE is such an aid to remembering where each number or group of numbers is  my pupils love it! 
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Numeracy"Numeracy is a proficiency which is developed mainly in Mathematics but also in other subjects. It is more than an ability to do basic arithmetic. It involves developing confidence and competence with numbers and measures. It requires understanding of the number system, a repertoire of mathematical techniques, and an inclination and ability to solve quantitative or spatial problems in a range of contexts. Numeracy also demands understanding of the ways in which data are gathered by counting and measuring, and presented in graphs, diagrams, charts and tables." Secondary National Strategy, Mathematics at key stage 3 

Go MathsLearning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths main page links to more activities designed for students in upper Secondary/High school.  
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Transum,
Monday, July 28, 2014
"This puzzle can be solved using a trial and error approach or it can be analysed more mathematically to find a formula determining the number of flowers in each part of the garden.
From the north window the flowers can be seen in each of the three top squares. From the west window the flowers can be seen in each of the three squares in the left column of the diagram. This means that the top left square can be seen from two windows so the flowers in that square count twice when adding up the total number of viewable flowers. This information may help you to derive a formula. Start by saying 'let the total number of flowers ne n and the number visible from each window be v'.
The full answer is available to teachers and parents who have signed into their Transum account."