<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:ifp="http://www.ifactory.com/press" ifp-element-xpath="/*[local-name() = 'urlset' and namespace-uri() = 'http://www.sitemaps.org/schemas/sitemap/0.9']"><ifp:contentType>ARTICLE</ifp:contentType><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p247.xml</sm:loc><ifp:title>The Right Place at the Right Time</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p247.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>The Right Place at the Right Time</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p244.xml</sm:loc><ifp:title>Letters to the editor</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p244.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Letters to the editor</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p250.xml</sm:loc><ifp:title>STEAMing Up Linear Functions</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p250.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>STEAMing Up Linear Functions</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p258.xml</sm:loc><ifp:title>Finding Meaning in the Quadratic Formula</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p258.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Finding Meaning in the Quadratic Formula</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p262.xml</sm:loc><ifp:title>Building the Optimal Learning Environment for Mathematics</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p262.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Building the Optimal Learning Environment for Mathematics</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p268.xml</sm:loc><ifp:title>Building Momentum by Starting Small</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p268.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Building Momentum by Starting Small</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p280.xml</sm:loc><ifp:title>January/February 2019 Calendar and Solutions</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p280.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>January/February 2019 Calendar and Solutions</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p288.xml</sm:loc><ifp:title>Supporting English Learners in the Math Classroom: Five Useful Tools</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p288.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Supporting English Learners in the Math Classroom: Five Useful Tools</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p274.xml</sm:loc><ifp:title>Connecting Mathematics with World Heritage</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p274.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Connecting Mathematics with World Heritage</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p302.xml</sm:loc><ifp:title>Improving Mathematics Discourse through Action Research</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p302.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Improving Mathematics Discourse through Action Research</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p307.xml</sm:loc><ifp:title>Reaching Deep Conceptual Understanding through Technology</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p307.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Reaching Deep Conceptual Understanding through Technology</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p294.xml</sm:loc><ifp:title>Looking For and Using Structural Reasoning</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p294.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Looking For and Using Structural Reasoning</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p312.xml</sm:loc><ifp:title>Lines as “Foci” for Conic Sections</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p312.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Lines as “Foci” for Conic Sections</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p317.xml</sm:loc><ifp:title>Publications</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p317.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Publications</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p316.xml</sm:loc><ifp:title>Call for Manuscripts: Mathematics Teacher: Learning and Teaching Pre-K–12</ifp:title><sm:lastmod>2019-12-16</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mt/112/4/article-p316.pdf</sm:loc><sm:lastmod>2021-06-14</sm:lastmod><ifp:title>Call for Manuscripts: Mathematics Teacher: Learning 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Social</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mtms/24/4/article-p200.xml</sm:loc><ifp:title>Problems</ifp:title><sm:lastmod>2020-01-25</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mtms/24/4/article-p200.pdf</sm:loc><sm:lastmod>2020-01-25</sm:lastmod><ifp:title>Problems</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mtms/24/4/article-p198.xml</sm:loc><ifp:title>Boxing in Some Math</ifp:title><sm:lastmod>2020-01-25</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mtms/24/4/article-p198.pdf</sm:loc><sm:lastmod>2020-01-25</sm:lastmod><ifp:title>Boxing in Some Math</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mtms/24/4/article-p197.xml</sm:loc><ifp:title>Triangles on a Geoboard</ifp:title><sm:lastmod>2020-01-25</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mtms/24/4/article-p197.pdf</sm:loc><sm:lastmod>2020-01-25</sm:lastmod><ifp:title>Triangles on a Geoboard</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mtms/24/4/article-p218.xml</sm:loc><ifp:title>Designing Mathematical Interactions for English Learners</ifp:title><sm:lastmod>2020-01-25</sm:lastmod></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mtms/24/4/article-p218.pdf</sm:loc><sm:lastmod>2020-01-25</sm:lastmod><ifp:title>Designing Mathematical Interactions for English Learners</ifp:title></sm:url><sm:url xmlns:sm="http://www.sitemaps.org/schemas/sitemap/0.9"><sm:loc>https://pubs.nctm.org/view/journals/mtms/24/4/article-p210.xml</sm:loc><ifp:title>Stop the Silence! 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