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Maths & Cross-Curricular Resources

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My time zone and your time zone may be the same time zone. Maybe midnight for you and midnight for me are the same. Your month and my month could be the same month. But they could be different. Not every day. Not all the time. Not everywhere. But some times in some places on some days. Perhaps even on the day this was written.

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My time zone and your time zone may be the same time zone. Maybe midnight for you and midnight for me are the same. Your month and my month could be the same month. But they could be different. Not every day. Not all the time. Not everywhere. But some times in some places on some days. Perhaps even on the day this was written.
Fractal Poetry & A Fractal Poem of Three
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Fractal Poetry & A Fractal Poem of Three

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Explore the poem (you're free to use it if you don&'t derive financial profit from it without sharing that profit with the author!); then invite your pupils to develop their own fractal poems. Maybe another one for triangles. Maybe have them write one using squares. It might be fun to extend the fractal! If you/they can: a proper challenge! :-) P.S. The first verse is explained if you make a hole at the top of triangle, cut out triangle & hang it from thread. It can then be spun (albeit it&';s not lit up!). P.P.S. Table centre-piece for group discussion é building activity also possible!
Planes of symmetry
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Planes of symmetry

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Video demonstration of planes of symmetry in real shapes: using play dough. Planes of symmetry of cuboid. Planes of symmetry of triangular prism.
Classifying countries
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Classifying countries

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A simple taxonomy activity. It might be upgraded by duplicating the sheet for years from 1937 through to 1945. It is left to colleagues to debate whether the Anschluss and similar events represented an invasion or not; and whether Spain and other countries were truly neutral.
Spinning Round in a Circle
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Spinning Round in a Circle

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Pupils are asked to label a circle with compass directions and angles. The trick is that the circle is already labelled: with months and times [in hours (12 and 24) and minutes]. All jolly confusing... until they stop to process, sort and think! The dice at the edges add potential for an extra question around how to randomly choose a time/angle for something! There is a second circle with weeks, suits of cards, letters of the alphabet and two marathons. More confusion! More thought. Where will your pupils take you with them...
Spymaster | Piemaster - Simultaneous Equations in the World of Espionage
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Spymaster | Piemaster - Simultaneous Equations in the World of Espionage

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Takes a bit of effort to imagine when simultaneous equations may come in handy. Partly inspired by the new fashion of publishing the tax returns of persons in "positions in influence" (with a view to identifying enemy agents: with "foreign" income sources), these questions will hopefully awaken pupils' interest in simultaneous equations and how/when/why they might (just might!) become useful in "real life"... [now with, step-by-step, solutions]
Pythagoras - Can you see the rule?
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Pythagoras - Can you see the rule?

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A set of slides to introduce Pythagoras' Theorem like the Rugby Off-side rule: (i) with little extra information [maybe supplemented with explanation]; (ii) with movement; (iii) with different (technical) labelling.
Adding & Subtracting Fractions (on square dotty paper)
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Adding & Subtracting Fractions (on square dotty paper)

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With many thanks to Don Steward for inspiration on Saturday 16 March 2019 at ATM London, IoE, UCL, London. Cross links to ratio, sequences and gradient. Square dotty paper is set as back ground for slides; so you can build your own or print and ask your pupils to create their own. I’m certain you have access to more than enough questions on adding fractions. This merely provides pupils with a different means to answer them; visually/geometrically.
Area: Circles: Investigation
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Area: Circles: Investigation

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To be used after pupils familiar with use of #Pythagoras’ theorem, properties of #isosceles #triangles and #symmetry and sum of #internal #angles of a triangle. Gentle, steady, step-by-step progress.
Does Father Christmas (a.k.a. Santa) Really Exist?
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Does Father Christmas (a.k.a. Santa) Really Exist?

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Eight slides to prepare for Christmas. Does Father Christmas really exist? If so, where does he come from? The links from the slides suffice to begin a greater journey into how the name and image of St Nicholas has changed over the past 1300+ years (at the hands of Martin Luther (and Protestant Christians), Coca Cola and others) but also how his eternal spirit travels and lives on.
Trigonometric Ratios From Source
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Trigonometric Ratios From Source

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Trigonometric Ratios from first principles & pythagoras’ theorem. Set in context of tracking a star orbiting an Earth assumed to be flat (as it seemingly was at the time the principles were first developed!).