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http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"><url><loc>https://maththinking.org/2018/02/08/whats-7999999999-plus-1/</loc><lastmod>2018-02-08T21:38:05+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2016/08/22/generalizing/</loc><lastmod>2016-08-22T02:45:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2016/07/04/which-is-greater/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2016/07/whichisbigger.png</image:loc><image:title>whichisbigger</image:title></image:image><lastmod>2016-07-04T13:59:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2016/04/09/inductive-reasoning/</loc><lastmod>2016-04-09T03:11:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2016/02/29/three-plus-four-is-seven/</loc><lastmod>2016-02-29T01:27:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2016/01/25/deciphering-roman-numerals/</loc><lastmod>2016-01-25T04:02:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2015/12/13/conservation-of-cream-cheese-theorem/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2015/12/creamcheeseoncracker.jpg</image:loc><image:title>CreamCheeseOnCracker</image:title></image:image><lastmod>2015-12-14T03:22:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2015/12/07/we-have-four-people-in-our-family/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2015/12/photo-3.jpg</image:loc><image:title>photo 3</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2015/12/photo-1.jpg</image:loc><image:title>photo 1</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2015/12/photo-2.jpg</image:loc><image:title>photo 2</image:title></image:image><lastmod>2015-12-07T10:50:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2015/01/19/noticing-number-strategies/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2015/01/patterns.jpg</image:loc><image:title>patterns</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2015/01/distributive-rule.jpg</image:loc><image:title>distributive rule</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2015/01/doubling-strategies.jpg</image:loc><image:title>Doubling Strategies</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2015/01/dot-pattern-visualizations.jpg</image:loc><image:title>dot pattern visualizations</image:title></image:image><lastmod>2015-01-19T01:16:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/10/28/thinking-about-rates-and-times/</loc><lastmod>2014-10-28T02:52:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/08/10/understanding-place-value/</loc><lastmod>2014-08-10T13:14:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/08/08/its-8400/</loc><lastmod>2014-08-10T11:27:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/07/29/talking-about-fractions/</loc><lastmod>2014-07-29T02:54:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/07/06/i-eat-five-pancake/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2014/07/photo-4.jpg</image:loc><image:title>Timon, age 2</image:title></image:image><lastmod>2014-08-10T11:34:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/06/25/whats-192-plus-192/</loc><lastmod>2014-06-25T14:42:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/05/05/problem-solving-with-exponents/</loc><lastmod>2014-06-06T14:37:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/05/05/open-ended-problem-solving-make-the-largest-answer/</loc><lastmod>2014-05-05T15:54:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/04/27/lesson-planning-homeschooling-my-son/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2014/04/hexagons.jpg</image:loc><image:title>Hexagons</image:title></image:image><lastmod>2014-04-27T16:37:05+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2014/01/04/open-ended-problem-solving-fermi-problems/</loc><lastmod>2014-01-04T04:20:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/11/21/open-ended-project-investigate-facial-recognition-algorithms/</loc><lastmod>2013-11-21T17:40:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/09/13/open-ended-problem-how-likely-is-it-a-quadratic-equation-will-factor/</loc><lastmod>2013-11-26T01:44:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/08/27/open-ended-creating-arrays/</loc><lastmod>2013-08-27T17:20:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/08/22/open-ended-perfect-numbers/</loc><lastmod>2013-08-22T14:24:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/07/04/open-ended-project-map-permutations/</loc><lastmod>2013-08-22T12:48:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/07/01/open-ended-investigation-mathematical-sequences-as-musical-scores/</loc><lastmod>2013-07-11T13:38:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/07/01/problem-password-strength/</loc><lastmod>2013-07-01T03:27:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/06/28/open-ended-problem-boarding-passengers-onto-planes/</loc><lastmod>2013-06-28T10:50:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/06/11/ten-frames-to-explore-decimals/</loc><lastmod>2013-06-11T05:30:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/06/04/exploring-a-digital-block-game/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/06/blockgamescreenshot.png</image:loc><image:title>Block game screen-shot</image:title><image:caption>Screen-shot from one of the puzzles included in the block game.</image:caption></image:image><lastmod>2013-06-05T03:08:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/06/03/open-ended-problem-do-groups-of-people-follow-predictable-patterns/</loc><lastmod>2013-06-03T04:39:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/05/30/open-ended-project-mathematical-modelling-with-student-collected-data/</loc><lastmod>2013-05-30T00:01:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/05/28/the-candy-problem/</loc><lastmod>2013-06-03T07:54:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/05/27/181/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/05/carproblemtable.png</image:loc><image:title>carproblemtable</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/05/carproblem.png</image:loc><image:title>carproblem</image:title></image:image><lastmod>2013-05-27T18:14:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/05/27/176/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/05/b1e37-img_0620.jpg</image:loc><image:title>b1e37-img_0620</image:title></image:image><lastmod>2013-05-27T17:36:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/05/27/number-patterns/</loc><lastmod>2013-05-27T15:38:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/14/open-ended-problem-tables-for-a-party/</loc><lastmod>2013-05-24T05:11:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/15/investigating-repeating-decimals/</loc><lastmod>2013-05-24T05:10:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/15/20/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/parkinglot1.png</image:loc><image:title>Parking Lot</image:title></image:image><lastmod>2013-05-24T05:09:26+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/22/open-ended-problem-scoring-investigation/</loc><lastmod>2013-05-24T05:08:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/24/year-long-project-look-for-math/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/mathintherealworld.png</image:loc><image:title>Math in the real world</image:title></image:image><lastmod>2013-05-24T05:08:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/29/whats-9-plus-9/</loc><lastmod>2013-05-24T05:07:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/30/how-long-is-an-hour-and-forty-minutes/</loc><lastmod>2013-05-24T05:07:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/30/geometry-book/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/math-book-4.jpg</image:loc><image:title>math book 4</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/math-book-3.jpg</image:loc><image:title>math book 3</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/math-book-2.jpg</image:loc><image:title>math book 2</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/math-book-1.jpg</image:loc><image:title>Math book 1</image:title></image:image><lastmod>2013-05-24T05:05:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/30/addition-questions/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/student_work-2.png</image:loc><image:title>Student work</image:title></image:image><lastmod>2013-05-24T05:04:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/30/at-most-vs-at-least/</loc><lastmod>2013-05-24T05:04:16+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/31/design-project-create-a-multiplication-tower/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/multiplication_tower.jpg</image:loc><image:title>Multiplication tower</image:title></image:image><lastmod>2013-05-24T05:03:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/31/design-project-make-your-own-attributes-matching-game/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/game-blues.jpg</image:loc><image:title>Blue Clues game</image:title></image:image><lastmod>2013-05-24T05:03:03+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/03/07/collaborative-mathematics/</loc><lastmod>2013-05-24T05:01:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/03/21/decomposing-addition/</loc><lastmod>2013-05-24T05:01:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/01/31/open-ended-project-factoring-visual/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/01/factoring.png</image:loc><image:title>Factoring</image:title></image:image><lastmod>2013-05-24T04:59:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/02/06/open-ended-investigation-exploring-factorials/</loc><lastmod>2013-05-24T04:55:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/02/13/colouring-in-maps/</loc><lastmod>2013-05-24T04:55:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/02/15/grant-wiggins-on-budding-middle-school-mathematicians/</loc><lastmod>2013-05-24T04:53:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/03/01/open-ended-investigation-fold-and-cut/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/03/andcut.jpg</image:loc><image:title>Single straight cut</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/03/fold.jpg</image:loc><image:title>Three folds</image:title></image:image><lastmod>2013-05-24T04:52:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/03/01/colouring-in-maps-examples-of-student-thinking/</loc><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/03/fourcolourtheorem3.jpg</image:loc><image:title>Example 2</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/03/fourcolourtheorem2.jpg</image:loc><image:title>Example 2</image:title></image:image><image:image><image:loc>https://maththinking.org/wp-content/uploads/2013/03/fourcolourtheorem1.jpg</image:loc><image:title>Example 1</image:title></image:image><lastmod>2013-05-24T04:51:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/03/04/making-a-map-of-angles/</loc><lastmod>2013-05-24T04:50:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/03/04/what-does-infinity-mean-to-me/</loc><lastmod>2013-05-24T04:49:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/03/05/excellent-resource-for-math-problems/</loc><lastmod>2013-05-24T04:48:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/03/13/open-ended-problem-dots-and-lines/</loc><lastmod>2013-05-24T04:45:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/03/27/decomposing-fractions/</loc><lastmod>2013-05-24T04:45:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/04/04/an-insurance-agent-walks-into-a-bar/</loc><lastmod>2013-05-24T04:42:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/04/15/open-ended-investigation-exploring-fractions-in-different-bases/</loc><lastmod>2013-05-24T04:40:16+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/2013/05/24/open-ended-investigation-the-math-of-voting/</loc><lastmod>2013-05-24T04:37:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org/about/</loc><lastmod>2013-05-27T06:56:12+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://maththinking.org/2012/12/31/introducing-math-thinking/</loc><lastmod>2012-12-31T13:22:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://maththinking.org</loc><changefreq>daily</changefreq><priority>1.0</priority><lastmod>2018-02-08T21:38:05+00:00</lastmod></url></urlset>
