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Want Change? W🔁rk T🔁gether☑<p><a href="https://qoto.org/tags/QUOTE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>QUOTE</span></a> BY@rakhichawla@mathstodon.xyz </p><p> 💬 "When the glitter fades, what remains?"</p><p><a href="https://qoto.org/tags/MathEd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MathEd</span></a> <a href="https://qoto.org/tags/MathsEd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MathsEd</span></a> <a href="https://qoto.org/tags/MathEdChat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MathEdChat</span></a> <a href="https://qoto.org/tags/MathsEdChat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MathsEdChat</span></a> <a href="https://qoto.org/tags/MathChat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MathChat</span></a> <a href="https://qoto.org/tags/MathsChat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MathsChat</span></a> <a href="https://qoto.org/tags/MTBoS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MTBoS</span></a> <a href="https://qoto.org/tags/TMWYK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TMWYK</span></a></p><p>POST: <a href="https://mathstodon.xyz/@ColinTheMathmo/113702182684710945" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mathstodon.xyz/@ColinTheMathmo</span><span class="invisible">/113702182684710945</span></a></p>
Rachel Wright<p>I&#39;m doing some of my &quot;follow the instructions for a change&quot; <a href="https://mathstodon.xyz/tags/Sashiko" class="mention hashtag" rel="tag">#<span>Sashiko</span></a>, and came upon a bit that I think means I can&#39;t do everything that&#39;s left without a lot of stopping and starting.</p><p>Then I realised I have an actual graph theorist in the house who might see something I&#39;d missed.</p><p>So I checked with <span class="h-card" translate="no"><a href="https://mathstodon.xyz/@ColinTheMathmo" class="u-url mention">@<span>ColinTheMathmo</span></a></span>, and he did spot something I&#39;d missed, but it confirmed the impossibility.</p><p>I&#39;ll have to fudge it...</p><p><a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a> <a href="https://mathstodon.xyz/tags/GraphTheory" class="mention hashtag" rel="tag">#<span>GraphTheory</span></a> <a href="https://mathstodon.xyz/tags/HandEmbroidery" class="mention hashtag" rel="tag">#<span>HandEmbroidery</span></a></p>
Colin the Mathmo<p>Every polynomial with real coefficients factors into linear and quadratic terms.</p><p>How much machinery is needed to show this?</p><p>If it crosses the X-axis then it has a linear term.</p><p>If it doesn&#39;t cross the X-axis then it is of even degree, and the roots come in complex conjugate pairs.</p><p>What the minimum needed to see this?</p><p><a href="https://mathstodon.xyz/tags/maths" class="mention hashtag" rel="tag">#<span>maths</span></a> <a href="https://mathstodon.xyz/tags/math" class="mention hashtag" rel="tag">#<span>math</span></a> <br /><a href="https://mathstodon.xyz/tags/algebra" class="mention hashtag" rel="tag">#<span>algebra</span></a> <a href="https://mathstodon.xyz/tags/ComplexNumbers" class="mention hashtag" rel="tag">#<span>ComplexNumbers</span></a> <br /><a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a> <a href="https://mathstodon.xyz/tags/MathChat" class="mention hashtag" rel="tag">#<span>MathChat</span></a></p>
Colin the Mathmo<p>I&#39;ve been thinking about this for ages, but never had the time to craft the words around it.</p><p>People keep saying that &quot;Maths should be fun&quot; ... and I push back with &quot;It should be engaging ... &#39;fun&#39; is a different thing.</p><p>So <span class="h-card" translate="no"><a href="https://mathstodon.xyz/@rakhichawla" class="u-url mention">@<span>rakhichawla</span></a></span> has posted pretty much exactly this, but better than I ever could.</p><p>I&#39;m copying it here with permission.</p><p>Please read this, then as it says at the end ... let&#39;s have a deeper conversation about this ...</p><p>1/n</p><p>(PS: I&#39;d love this to get boosted to get outside my bubble ... you&#39;re all amazing, but there will be other opinions, and other thoughts that could be helpful or valuable)</p><p>Hashtags: <a href="https://mathstodon.xyz/tags/MathEd" class="mention hashtag" rel="tag">#<span>MathEd</span></a> <a href="https://mathstodon.xyz/tags/MathsEd" class="mention hashtag" rel="tag">#<span>MathsEd</span></a> <a href="https://mathstodon.xyz/tags/MathEdChat" class="mention hashtag" rel="tag">#<span>MathEdChat</span></a> <a href="https://mathstodon.xyz/tags/MathsEdChat" class="mention hashtag" rel="tag">#<span>MathsEdChat</span></a> <a href="https://mathstodon.xyz/tags/MathChat" class="mention hashtag" rel="tag">#<span>MathChat</span></a> <a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a> <a href="https://mathstodon.xyz/tags/MTBoS" class="mention hashtag" rel="tag">#<span>MTBoS</span></a> <a href="https://mathstodon.xyz/tags/TMWYK" class="mention hashtag" rel="tag">#<span>TMWYK</span></a></p>
Colin the Mathmo<p>Fermat conjectured that for \(n\) a non-negative integer, all numbers of the form \(2^{2^n}+1\) are prime.</p><p>Was there ever a worse conjecture in maths than that?</p><p><a href="https://mathstodon.xyz/tags/Maths" class="mention hashtag" rel="tag">#<span>Maths</span></a> <a href="https://mathstodon.xyz/tags/Math" class="mention hashtag" rel="tag">#<span>Math</span></a> <br /><a href="https://mathstodon.xyz/tags/MathsEd" class="mention hashtag" rel="tag">#<span>MathsEd</span></a> <a href="https://mathstodon.xyz/tags/MathEd" class="mention hashtag" rel="tag">#<span>MathEd</span></a> <br /><a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a> <a href="https://mathstodon.xyz/tags/MathChat" class="mention hashtag" rel="tag">#<span>MathChat</span></a> <br /><a href="https://mathstodon.xyz/tags/Fermat" class="mention hashtag" rel="tag">#<span>Fermat</span></a> <a href="https://mathstodon.xyz/tags/Conjecture" class="mention hashtag" rel="tag">#<span>Conjecture</span></a> <br /><a href="https://mathstodon.xyz/tags/Primes" class="mention hashtag" rel="tag">#<span>Primes</span></a> <a href="https://mathstodon.xyz/tags/FermatPrimes" class="mention hashtag" rel="tag">#<span>FermatPrimes</span></a></p>
Colin the Mathmo<p>Some time ago ... (A month!) ... there was a thread on Twitter that I think should be shared here. I&#39;ve been trying to extract and post it semi-automatically, but Twitter just makes it damn near impossible.</p><p>So I&#39;m copying it &quot;by hand&quot;</p><p>Here&#39;s a chart of the full conversation:</p><p><a href="https://www.solipsys.co.uk/Chartter/1856750472826085652.svg" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">solipsys.co.uk/Chartter/185675</span><span class="invisible">0472826085652.svg</span></a></p><p>Here&#39;s the head of the conversation:</p><p><a href="https://x.com/TweetingCynical/status/1856750459110986045" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">x.com/TweetingCynical/status/1</span><span class="invisible">856750459110986045</span></a></p><p> <br /><a href="https://mathstodon.xyz/tags/MTBoS" class="mention hashtag" rel="tag">#<span>MTBoS</span></a> <a href="https://mathstodon.xyz/tags/TMWYK" class="mention hashtag" rel="tag">#<span>TMWYK</span></a> <br /><a href="https://mathstodon.xyz/tags/MathChat" class="mention hashtag" rel="tag">#<span>MathChat</span></a> <a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a> <br /><a href="https://mathstodon.xyz/tags/MathEd" class="mention hashtag" rel="tag">#<span>MathEd</span></a> <a href="https://mathstodon.xyz/tags/MathEdChat" class="mention hashtag" rel="tag">#<span>MathEdChat</span></a> <br /><a href="https://mathstodon.xyz/tags/MathsEd" class="mention hashtag" rel="tag">#<span>MathsEd</span></a> <a href="https://mathstodon.xyz/tags/MathsEdChat" class="mention hashtag" rel="tag">#<span>MathsEdChat</span></a> </p><p> I will occasionally update the chart of *this* conversation, and it will be here:</p><p><a href="https://www.solipsys.co.uk/Chartodon/TeachingTellingTheTime.svg" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">solipsys.co.uk/Chartodon/Teach</span><span class="invisible">ingTellingTheTime.svg</span></a><br /> <br />Here is the content ...</p>
Karen Campe<p>Some fun math &quot;switcheroos&quot;:<br />A% of B = B% of A<br />log_b(a) = 1/log_a(b)<br />Sin(A) = Cos(B) in right triangle</p><p>Do you have any others in this style? Would love to add more to this list. <br />{Was awake in the night thinking about the middle one, based on Q posed in a FB group}</p><p><a href="https://mathstodon.xyz/tags/MTBoS" class="mention hashtag" rel="tag">#<span>MTBoS</span></a> <a href="https://mathstodon.xyz/tags/iTeachMath" class="mention hashtag" rel="tag">#<span>iTeachMath</span></a> <a href="https://mathstodon.xyz/tags/MathChat" class="mention hashtag" rel="tag">#<span>MathChat</span></a> <a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a></p>
MathsWeekEngland<p>maths_week<br />@maths_week<br />• Just now<br />🎉🚀 It&#39;s Day 4 Maths Enthusiasts! 🚀🎉 Dive into a world of fun with our daily video puzzle from Sophie Maclean: <a href="https://mathsweekengland.co.uk/?page_id=7470" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">mathsweekengland.co.uk/?page_i</span><span class="invisible">d=7470</span></a>. And there is so much more at <a href="http://www.mathsweekengland.co.uk" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">http://www.</span><span class="">mathsweekengland.co.uk</span><span class="invisible"></span></a>! 💡✨ <a href="https://mathstodon.xyz/tags/MWE24" class="mention hashtag" rel="tag">#<span>MWE24</span></a> <a href="https://mathstodon.xyz/tags/ITeachMaths" class="mention hashtag" rel="tag">#<span>ITeachMaths</span></a> <a href="https://mathstodon.xyz/tags/MathsToday" class="mention hashtag" rel="tag">#<span>MathsToday</span></a> <a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a></p>
Colin the Mathmo<p>It&#39;s Maths Week England !!!!</p><p><a href="https://mathsweekengland.co.uk/" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="">mathsweekengland.co.uk/</span><span class="invisible"></span></a></p><p><a href="https://mathstodon.xyz/tags/MWE2024" class="mention hashtag" rel="tag">#<span>MWE2024</span></a> <a href="https://mathstodon.xyz/tags/MWE24" class="mention hashtag" rel="tag">#<span>MWE24</span></a> <a href="https://mathstodon.xyz/tags/MathsToday" class="mention hashtag" rel="tag">#<span>MathsToday</span></a> <a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a> <a href="https://mathstodon.xyz/tags/MathsEd" class="mention hashtag" rel="tag">#<span>MathsEd</span></a> </p><p><a href="https://mathstodon.xyz/tags/RecreationalMaths" class="mention hashtag" rel="tag">#<span>RecreationalMaths</span></a> <a href="https://mathstodon.xyz/tags/RecMaths" class="mention hashtag" rel="tag">#<span>RecMaths</span></a> <br /><a href="https://mathstodon.xyz/tags/RecreationalMath" class="mention hashtag" rel="tag">#<span>RecreationalMath</span></a> <a href="https://mathstodon.xyz/tags/RecMath" class="mention hashtag" rel="tag">#<span>RecMath</span></a> <br /><a href="https://mathstodon.xyz/tags/MTBoS" class="mention hashtag" rel="tag">#<span>MTBoS</span></a> <a href="https://mathstodon.xyz/tags/MathEd" class="mention hashtag" rel="tag">#<span>MathEd</span></a> <a href="https://mathstodon.xyz/tags/MathEdChat" class="mention hashtag" rel="tag">#<span>MathEdChat</span></a></p>
MathsWeekEngland<p>🎉 It&#39;s Day 3 of <a href="https://mathstodon.xyz/tags/MWE24" class="mention hashtag" rel="tag">#<span>MWE24</span></a> 🧩 Challenge yourself with this great puzzle video from Ajay Bater. <a href="https://mathsweekengland.co.uk/?page_id=7470" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">mathsweekengland.co.uk/?page_i</span><span class="invisible">d=7470</span></a>. Let&#39;s make this week a celebration of numbers! 💡✨ Let’s do this! 💪🧠 <a href="https://mathstodon.xyz/tags/MWE24" class="mention hashtag" rel="tag">#<span>MWE24</span></a> <a href="https://mathstodon.xyz/tags/MathsToday" class="mention hashtag" rel="tag">#<span>MathsToday</span></a> <a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a></p>
MathsWeekEngland<p>🌟🎉It&#39;s Day 2 🎉🌟 Here is the latest video puzzle from Aoife Hunt <a href="https://mathsweekengland.co.uk/?page_id=7470" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">mathsweekengland.co.uk/?page_i</span><span class="invisible">d=7470</span></a> but there is so much more 🌈✨ Explore a treasure trove of puzzles, videos, and resources waiting for you on our website: <a href="http://www.mathsweekengland.co.uk" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">http://www.</span><span class="">mathsweekengland.co.uk</span><span class="invisible"></span></a>. Let’s make maths magical together! 💫 <a href="https://mathstodon.xyz/tags/MWE24" class="mention hashtag" rel="tag">#<span>MWE24</span></a> <a href="https://mathstodon.xyz/tags/ITeachMaths" class="mention hashtag" rel="tag">#<span>ITeachMaths</span></a> <a href="https://mathstodon.xyz/tags/MathsToday" class="mention hashtag" rel="tag">#<span>MathsToday</span></a> <a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a></p>
MathsWeekEngland<p>🚀 Maths Week England is about to launch!</p><p>As the name suggests, Maths Week is a week-long FREE celebration of all things maths! Maths Week sets out to raise the profile of the subject whilst, at the same time, encouraging children to pursue maths by promoting a more positive and inclusive approach. </p><p>FREE resources will be available for children of all ages, including daily video puzzles, daily problem solving activities and so much more. Maths Week 2024 begins on the 11th of November, so there is still plenty of time to get prepared.<br />If you haven’t done so already sign up at www.mathsweekengland.co.uk</p><p><a href="https://mathstodon.xyz/tags/teammaths" class="mention hashtag" rel="tag">#<span>teammaths</span></a> <a href="https://mathstodon.xyz/tags/Mathschat" class="mention hashtag" rel="tag">#<span>Mathschat</span></a> <a href="https://mathstodon.xyz/tags/PrimaryMaths" class="mention hashtag" rel="tag">#<span>PrimaryMaths</span></a> <a href="https://mathstodon.xyz/tags/MathsToday" class="mention hashtag" rel="tag">#<span>MathsToday</span></a> <a href="https://mathstodon.xyz/tags/Mathsjam" class="mention hashtag" rel="tag">#<span>Mathsjam</span></a></p>
Colin the Mathmo<p>Have a look at the first intersection of y=cos(x) and y=tan(x).</p><p>Consider the tangents at the point of intersection:</p><p>What is the angle between them?</p><p>What are their gradients?</p><p><a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a> <br /><a href="https://mathstodon.xyz/tags/EduMaths" class="mention hashtag" rel="tag">#<span>EduMaths</span></a><br /><a href="https://mathstodon.xyz/tags/MTBoS" class="mention hashtag" rel="tag">#<span>MTBoS</span></a></p>
Colin the Mathmo<p>Good question asked here:</p><p><a href="https://mathstodon.xyz/@TeaKayB/112957536265268967" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">mathstodon.xyz/@TeaKayB/112957</span><span class="invisible">536265268967</span></a></p><p>Can we start to build the community of <a href="https://mathstodon.xyz/tags/Maths" class="mention hashtag" rel="tag">#<span>Maths</span></a> <a href="https://mathstodon.xyz/tags/Teachers" class="mention hashtag" rel="tag">#<span>Teachers</span></a> here?</p><p><a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a> <br /><a href="https://mathstodon.xyz/tags/EduMaths" class="mention hashtag" rel="tag">#<span>EduMaths</span></a><br /><a href="https://mathstodon.xyz/tags/MTBoS" class="mention hashtag" rel="tag">#<span>MTBoS</span></a></p>
Matt Enlow<p>Two lines, 𝓁 and 𝓂, both have positive slope.<br />The angle 𝓂 makes with the x-axis is twice the angle 𝓁 makes.<br />The slope of 𝓂 is nine times the slope of 𝓁.<br />Find the slopes of the two lines.<br /><a href="https://mathstodon.xyz/tags/math" class="mention hashtag" rel="tag">#<span>math</span></a> <a href="https://mathstodon.xyz/tags/maths" class="mention hashtag" rel="tag">#<span>maths</span></a> <a href="https://mathstodon.xyz/tags/mathchat" class="mention hashtag" rel="tag">#<span>mathchat</span></a> <a href="https://mathstodon.xyz/tags/mathschat" class="mention hashtag" rel="tag">#<span>mathschat</span></a> <a href="https://mathstodon.xyz/tags/iteachmath" class="mention hashtag" rel="tag">#<span>iteachmath</span></a></p>
Matt Enlow<p>From the archives<br /><a href="https://mathstodon.xyz/tags/math" class="mention hashtag" rel="tag">#<span>math</span></a> <a href="https://mathstodon.xyz/tags/maths" class="mention hashtag" rel="tag">#<span>maths</span></a> <a href="https://mathstodon.xyz/tags/mathchat" class="mention hashtag" rel="tag">#<span>mathchat</span></a> <a href="https://mathstodon.xyz/tags/mathschat" class="mention hashtag" rel="tag">#<span>mathschat</span></a> <a href="https://mathstodon.xyz/tags/iteachmath" class="mention hashtag" rel="tag">#<span>iteachmath</span></a></p>
Colin the Mathmo<p>I&#39;m not a teacher so I can&#39; vote in this poll, but I hope people see it and respond.</p><p><a href="https://mathstodon.xyz/deck/@karenshancock/111917845731283757" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">mathstodon.xyz/deck/@karenshan</span><span class="invisible">cock/111917845731283757</span></a></p><p><a href="https://mathstodon.xyz/tags/MTBoS" class="mention hashtag" rel="tag">#<span>MTBoS</span></a> <a href="https://mathstodon.xyz/tags/MathChat" class="mention hashtag" rel="tag">#<span>MathChat</span></a> <a href="https://mathstodon.xyz/tags/MathEd" class="mention hashtag" rel="tag">#<span>MathEd</span></a> <a href="https://mathstodon.xyz/tags/MathsEd" class="mention hashtag" rel="tag">#<span>MathsEd</span></a> <a href="https://mathstodon.xyz/tags/MathsChat" class="mention hashtag" rel="tag">#<span>MathsChat</span></a> <a href="https://mathstodon.xyz/tags/ITeachMath" class="mention hashtag" rel="tag">#<span>ITeachMath</span></a> <a href="https://mathstodon.xyz/tags/ITeachMaths" class="mention hashtag" rel="tag">#<span>ITeachMaths</span></a></p>
Colleen Young<p>Mathematical Miscellany #93, A mathematics resources compilation: GCSE Big Revision Quizzes-Craig Barton, Explain the errors-Andy Lutwyche, Sparx Maths Crossover Workbooks (free), AMSP Further Maths Conference Resources, Dr Frost Key Skills <a href="https://mathstodon.xyz/tags/mathschat" class="mention hashtag" rel="tag">#<span>mathschat</span></a></p><p><a href="https://colleenyoung.org/2024/01/21/mathematical-miscellany-93/" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">colleenyoung.org/2024/01/21/ma</span><span class="invisible">thematical-miscellany-93/</span></a></p>
Colleen Young<p>A mathematics resources compilation: GCSE worked examples - Dave Taylor, OAT Maths, Venn Diagrams - Helen Konstantine, Diagnostic Questions - Eedi quizzes, Worked example animation library - Matt Woodfine Maths White Board. <a href="https://mathstodon.xyz/tags/mathschat" class="mention hashtag" rel="tag">#<span>mathschat</span></a> <a href="https://mathstodon.xyz/tags/mathchat" class="mention hashtag" rel="tag">#<span>mathchat</span></a> <a href="https://mathstodon.xyz/tags/mathscpdc" class="mention hashtag" rel="tag">#<span>mathscpdc</span></a></p><p><a href="https://colleenyoung.org/2024/01/07/mathematical-miscellany-91/" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">colleenyoung.org/2024/01/07/ma</span><span class="invisible">thematical-miscellany-91/</span></a></p>
Colleen Young<p>December 2023 is coming ... see Maths Advent calendars and Christmas resources collections. <a href="https://mathstodon.xyz/tags/mathschat" class="mention hashtag" rel="tag">#<span>mathschat</span></a></p><p><a href="https://colleenyoung.org/2023/11/18/december-2023-is-coming/" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">colleenyoung.org/2023/11/18/de</span><span class="invisible">cember-2023-is-coming/</span></a></p>