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point</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2013/04/inflection-point.png</image:loc><image:title>inflection point</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2013/04/vertical-tangent.png</image:loc><image:title>vertical tangent</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2013/04/cusp.png</image:loc><image:title>cusp</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2013/04/interval-of-concavity1.png</image:loc><image:title>interval of concavity</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2013/04/interval-of-concavity.png</image:loc><image:title>interval of concavity</image:title></image:image><lastmod>2025-04-22T17:53:04+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/about/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2019/06/img_3635.jpg</image:loc><image:title>IMG_3635</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2019/06/img_3635-1.jpg</image:loc><image:title>IMG_3635 (1)</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2009/06/me-and-students-e1262556814124.jpg</image:loc><image:title>Mr. Chase</image:title></image:image><lastmod>2019-06-21T02:17:44+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://mrchasemath.com/2018/01/17/geometric-proofs-of-trigonometric-identities/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/tan-of-a-sum-2.png</image:loc><image:title>tan of a sum 2</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/tan-of-a-sum-1.png</image:loc><image:title>tan of a sum 1</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/tan-of-a-diff-2.png</image:loc><image:title>tan of a diff 2</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/tan-of-a-diff-1.png</image:loc><image:title>tan of a diff 1</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/half-angle-41.png</image:loc><image:title>half angle 4</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/sum-of-sine-and-cosine.png</image:loc><image:title>sum of sine and cosine</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/sine-and-cosine-of-a-sum-best-2.png</image:loc><image:title>sine and cosine of a sum best 2</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/sine-and-cosine-of-a-sum-best-1.png</image:loc><image:title>sine and cosine of a sum best 1</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/sincos-of-a-sum-2.png</image:loc><image:title>Sincos of a sum 2</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2018/01/sincos-of-a-sum-1.png</image:loc><image:title>Sincos of a sum 1</image:title></image:image><lastmod>2021-01-23T12:28:17+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/04/25/national-math-festival-2017/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/img_20170422_191850328.jpg</image:loc><image:title>IMG_20170422_191850328</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/img_20170422_145028021.jpg</image:loc><image:title>IMG_20170422_145028021</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/img_20170422_144715128.jpg</image:loc><image:title>IMG_20170422_144715128</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/img_20170422_115925989.jpg</image:loc><image:title>IMG_20170422_115925989</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/img_20170422_114807314.jpg</image:loc><image:title>IMG_20170422_114807314</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/img_20170422_114018078.jpg</image:loc><image:title>IMG_20170422_114018078</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/img_20170422_111325064.jpg</image:loc><image:title>IMG_20170422_111325064</image:title></image:image><lastmod>2017-04-25T21:06:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/04/05/2017-pi-day-puzzle-hunt-recap/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/img_20170324_114828318_hdr.jpg</image:loc><image:title>IMG_20170324_114828318_HDR</image:title></image:image><lastmod>2017-04-05T19:42:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/04/03/derivatives-of-trigonometric-functions/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/proof-of-derivative-of-arctanx1.png</image:loc><image:title>Proof of derivative of arctanx</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/proof-of-derivative-of-arcsinx1.png</image:loc><image:title>Proof of derivative of arcsinx</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/proof-of-derivative-of-secx1.png</image:loc><image:title>Proof of derivative of secx</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/proof-of-derivative-of-arcsecx.png</image:loc><image:title>Proof of derivative of arcsecx</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/proof-of-derivative-of-tanx.png</image:loc><image:title>Proof of derivative of tanx</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/crapderarcsine.jpg</image:loc><image:title>crapderarcsine</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/proof-of-derivative-of-sinx.png</image:loc><image:title>Proof of derivative of sinx</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/der-of-sinx.jpg</image:loc><image:title>der of sinx</image:title></image:image><lastmod>2020-07-12T02:07:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/04/02/the-product-rule/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/prodx2.jpg</image:loc><image:title>prodx2</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/prod-rule-2.png</image:loc><image:title>prod rule #2</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/prod-rule-11.png</image:loc><image:title>prod rule #1</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/04/product-rule.jpg</image:loc><image:title>product rule</image:title></image:image><lastmod>2019-06-13T19:08:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/03/09/pi-day-puzzle-hunt/</loc><lastmod>2017-03-09T12:27:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/02/28/area-models-for-multiplication-throughout-the-k-12-curriculum/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/02/base-ten-blocks.jpg</image:loc><image:title>base-ten-blocks</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/02/area-model-polynomials.png</image:loc><image:title>area-model-polynomials</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/02/area-model-multiplication.png</image:loc><image:title>area-model-multiplication</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/02/area-model-product-rule.png</image:loc><image:title>area-model-product-rule</image:title></image:image><lastmod>2017-02-28T20:53:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/01/21/extraneous-solutions-part-2-of-3/</loc><lastmod>2017-02-25T18:48:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/01/21/extraneous-solutions-part-1-of-3/</loc><lastmod>2017-02-25T18:39:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/02/18/why-i-hate-the-definition-of-trapezoids-again/</loc><lastmod>2018-05-23T13:27:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/02/03/im-back/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/02/img_20170203_150734531.jpg</image:loc><image:title>img_20170203_150734531</image:title><image:caption>my classroom</image:caption></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/02/img_20150419_065541.jpg</image:loc><image:title>img_20150419_065541</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/02/img_7662_20161022_104610.jpg</image:loc><image:title>family photo</image:title><image:caption>family photo</image:caption></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/02/img_20150808_170248523_hdr.jpg</image:loc><image:title>hanging out with fellow math educators, James Key and James Tanton, down in DC</image:title><image:caption>with my nerdy friends named James</image:caption></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/02/new-year_resolutions_list.jpg</image:loc><image:title>new-year_resolutions_list</image:title></image:image><lastmod>2017-02-03T20:30:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2017/01/11/proving-identities-whats-your-philosophy/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/01/kreispuzzel-1713170_960_720.jpg</image:loc><image:title>kreispuzzel-1713170_960_720</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/01/2016-june-cca2-31-student-work.png</image:loc><image:title>2016-june-cca2-31-student-work</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2017/01/2016-june-cca2-31.png</image:loc><image:title>2016-june-cca2-31</image:title></image:image><lastmod>2017-08-03T21:32:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2013/08/12/why-i-hate-the-definition-of-trapezoids-part-3/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2013/08/which-of-these-is-a-trapezoid1.png</image:loc><image:title>which of these is a trapezoid</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2013/08/which-of-these-is-a-trapezoid.png</image:loc><image:title>which of these is a trapezoid</image:title></image:image><lastmod>2016-11-22T21:28:05+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/05/01/more-on-microsoft-equation-editor/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2012/05/system-of-equations.png</image:loc><image:title>system of equations</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2012/05/matrix.png</image:loc><image:title>matrix</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2012/05/radical.png</image:loc><image:title>radical</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2012/05/equation-array.png</image:loc><image:title>equation array</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2012/05/boxed-formula.png</image:loc><image:title>boxed formula</image:title></image:image><lastmod>2015-06-10T13:22:03+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2013/01/04/ti-83-plus-emulators/</loc><lastmod>2015-04-28T19:34:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/12/24/what-does-it-mean-to-truly-prove-something/</loc><lastmod>2015-11-12T03:27:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/12/19/2394/</loc><lastmod>2014-12-20T03:45:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/11/01/looking-back-on-299-random-walks/</loc><lastmod>2014-11-01T18:21:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/11/07/catch-yourself-up-on-the-world-of-origami/</loc><lastmod>2014-11-01T01:36:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/09/18/how-do-you-expand-%e2%88%9aab/</loc><lastmod>2014-10-24T17:51:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/10/22/challenge-problems/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2014/10/very-difficult-mazes-coloring-page-1.png</image:loc><image:title>Very-Difficult-Mazes-Coloring-Page-1</image:title></image:image><lastmod>2021-07-24T20:11:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2013/12/08/chinese-bridge-inspired-by-mobius-band/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2013/12/bridge_04.jpg</image:loc><image:title>Bridge_04</image:title></image:image><lastmod>2014-10-13T16:41:18+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2013/05/21/the-mathematics-of-juggling-and-more-from-george-hart/</loc><lastmod>2014-10-13T16:40:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2013/04/30/math-anxiety/</loc><lastmod>2014-10-13T16:40:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2013/03/20/geometry-is-beautiful/</loc><lastmod>2014-10-13T16:40:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2013/03/22/flat-donuts/</loc><lastmod>2014-10-13T16:39:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/10/08/ten-questions-about-flipping-a-mathematics-classroom/</loc><lastmod>2014-10-13T16:39:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/03/12/pi-r-squared/</loc><lastmod>2014-10-13T16:38:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/03/09/when-cars-collide-22-2/</loc><lastmod>2014-10-13T16:37:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2010/12/14/mathematical-modeler-fails-to-learn-from-history/</loc><lastmod>2014-10-13T16:37:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2010/12/14/the-important-theorems-are-the-beautiful-ones/</loc><lastmod>2014-10-13T16:37:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2010/12/05/200-countries-over-200-years-visual-data-analysis/</loc><lastmod>2014-10-13T16:36:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2010/11/26/math-vocabulary-sometimes-makes-sense/</loc><lastmod>2014-10-13T16:36:26+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/10/13/when-will-she-pass-me-for-the-first-time/</loc><lastmod>2014-10-13T16:33:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/10/13/what-does-a-point-on-the-normal-distribution-represent/</loc><lastmod>2014-10-07T18:56:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/10/07/guess-who/</loc><lastmod>2014-10-07T18:46:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/10/02/haloween-worksheet-for-calculus/</loc><lastmod>2014-10-02T13:53:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/08/29/in-defense-of-calculus/</loc><lastmod>2014-08-29T12:52:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/08/26/random-walks-mural/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2014/08/random-walks-mural-close-up.jpg</image:loc><image:title>good question!</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2014/08/random-walks-mural.jpg</image:loc><image:title>and some added, inspirational, text :-)</image:title></image:image><lastmod>2014-09-15T20:16:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/05/14/probability-questions-from-tanton/</loc><lastmod>2014-05-12T20:45:04+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/05/12/four-ways-to-compute-a-probability/</loc><lastmod>2014-05-12T18:24:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/05/01/maa-distinguished-lecture-series/</loc><lastmod>2014-05-01T18:44:26+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2014/04/25/usa-science-and-engineering-festival/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2014/04/usa-science-and-engineering-festival-logo.jpg</image:loc><image:title>USA-Science-and Engineering-Festival 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054</image:title></image:image><lastmod>2012-07-21T11:20:04+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/03/13/bedtime-math/</loc><lastmod>2012-03-16T17:49:05+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/03/08/stem/</loc><lastmod>2012-03-08T20:23:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/03/07/rationalization-rant/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2012/03/rationalize-this.jpg</image:loc><image:title>rationalize this</image:title></image:image><lastmod>2014-11-29T03:02:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/03/06/minnesota-senator-loves-math/</loc><lastmod>2012-03-05T19:27:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/02/29/leap-day-birthday-math/</loc><lastmod>2016-03-08T01:26:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/03/05/mathematical-pasta/</loc><lastmod>2012-03-01T16:17:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/02/28/nanoseconds-explained/</loc><lastmod>2012-02-28T19:48:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/03/01/latex-in-html-using-a-perl-script/</loc><lastmod>2012-03-01T17:08:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/02/27/good-discussions-in-the-math-blog-world/</loc><lastmod>2012-02-27T19:50:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/02/13/flipped-classroom/</loc><lastmod>2012-02-13T16:19:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/02/15/1438/</loc><lastmod>2012-02-12T03:55:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/02/11/a-new-mathematician/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2012/02/img_2231.jpg</image:loc><image:title>IMG_2231</image:title><image:caption>The proud parents</image:caption></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2012/02/img_1987.jpg</image:loc><image:title>IMG_1987</image:title></image:image><lastmod>2012-02-18T01:01:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/01/30/string-quartet/</loc><lastmod>2012-01-30T13:27:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/01/25/non-repeating-sequences/</loc><lastmod>2012-01-25T22:19:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/01/23/for-stylish-kids/</loc><lastmod>2012-01-20T21:16:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/01/20/cooking-math/</loc><lastmod>2012-01-20T20:50:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/01/18/1410/</loc><lastmod>2012-01-18T13:45:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2012/01/06/lego-math/</loc><lastmod>2012-01-06T19:30:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/12/23/stellated-icosahedron/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/12/stellated-icosahedron-015.jpg</image:loc><image:title>Stellated 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identity)</image:caption></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/12/stellated-icosahedron-014.jpg</image:loc><image:title>Stellated Icosahedron 014</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/12/stellated-icosahedron-013.jpg</image:loc><image:title>Stellated Icosahedron 013</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/12/stellated-icosahedron-012.jpg</image:loc><image:title>Stellated Icosahedron 012</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/12/stellated-icosahedron-011.jpg</image:loc><image:title>Stellated Icosahedron 011</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/12/stellated-icosahedron-010.jpg</image:loc><image:title>Stellated Icosahedron 010</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/12/stellated-icosahedron-009.jpg</image:loc><image:title>Stellated Icosahedron 009</image:title></image:image><lastmod>2011-12-24T04:15:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/12/22/binder-clips/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/12/common-ground-assembly-004.jpg</image:loc><image:title>Common Ground Assembly 004</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/12/common-ground-assembly-013.jpg</image:loc><image:title>Common Ground Assembly 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Before Swine - stat</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/11/pearls-before-swine-stat.jpeg</image:loc><image:title>Pearls Before Swine - stat</image:title></image:image><lastmod>2011-11-14T20:33:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/11/11/the-education-flip/</loc><lastmod>2011-11-11T15:41:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/11/09/inverse-functions-and-the-horizontal-line-test/</loc><lastmod>2011-11-09T22:00:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/11/05/trapezoid-problem-take-2/</loc><lastmod>2011-11-06T02:25:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/11/05/constructing-a-trapezoid-using-the-side-lengths/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/11/trapezoid-construction.jpg</image:loc><image:title>trapezoid construction</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/11/trapezoid-construction.gif</image:loc><image:title>trapezoid 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2</image:title></image:image><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2010/07/photo.jpg</image:loc><image:title>photo</image:title></image:image><lastmod>2011-04-25T16:32:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/04/07/im-95-confident-youll-like-this-comic/</loc><lastmod>2011-04-06T13:34:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/04/06/star-wars-and-continuity/</loc><lastmod>2011-04-06T13:31:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/04/04/origami-hyperbolic-paraboloid/</loc><lastmod>2011-04-04T18:44:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/01/29/pemdas-problems/</loc><lastmod>2011-03-31T13:53:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/29/population-mean-median/</loc><lastmod>2011-03-29T20:13:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/25/john-milnor-wins-abel-prize/</loc><lastmod>2011-03-25T19:50:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/02/23/teaching-domain-and-range-incorrectly/</loc><lastmod>2016-05-08T17:51:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/15/%cf%80hone-number/</loc><lastmod>2011-03-15T21:45:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/14/obligatory-%cf%80-day-post/</loc><lastmod>2011-03-15T14:25:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/10/khan-academy/</loc><lastmod>2011-03-16T23:45:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/09/grocery-math/</loc><lastmod>2011-03-08T19:24:24+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/08/105-visitors/</loc><lastmod>2011-03-08T21:06:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/07/snakes/</loc><lastmod>2011-05-09T02:53:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2010/10/14/glen-whitney-rm/</loc><lastmod>2011-03-04T19:55:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2010/09/02/glen-whitney-speaking-at-rm/</loc><lastmod>2011-03-04T19:55:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/03/congratulations-ray/</loc><lastmod>2011-03-03T13:53:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/03/01/jeopardy/</loc><lastmod>2011-03-02T14:15:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/02/27/1091/</loc><lastmod>2011-03-02T14:17:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/02/22/keeping-it-real/</loc><lastmod>2011-02-21T14:50:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/02/21/relation-ship/</loc><lastmod>2011-02-21T14:46:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/02/11/americas-never-been-first/</loc><lastmod>2011-02-11T20:44:27+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://mrchasemath.com/2011/01/19/geogebra-has-new-skills/</loc><image:image><image:loc>https://mrchasemath.com/wp-content/uploads/2011/01/complex-plot.jpg</image:loc><image:title>complex 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