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Enhance math curriculum content and improve rendering: Update contributing guidelines for math widget integration and clarify KaTeX usage. Add interactive demo technology choices to SKILL.md for better guidance on chapter interactions. Introduce new visual elements in coordinate geometry chapters, including an empty Cartesian plane SVG and detailed proofs for distance, midpoint, and slope formulas. Revise Pythagorean theorem content to include geometric proofs and applications, enhancing clarity and educational value.

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Hananoshika Yomaru 2026-05-21 22:18:34 -07:00
parent f74867fe4c
commit 2ca490ff81
17 changed files with 1571 additions and 201 deletions
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44
static/feed.xml
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@ -4,7 +4,28 @@
<title>Open Free Books</title>
<link>https://openfreebooks.org/</link>
<description>Recent updates to Open Free Books pages and live chapters.</description>
<lastBuildDate>Thu, 21 May 2026 18:40:42 GMT</lastBuildDate>
<lastBuildDate>Thu, 21 May 2026 23:42:19 GMT</lastBuildDate>
<item>
<title>Basic math notation</title>
<link>https://openfreebooks.org/math/basic-math-notation/</link>
<guid isPermaLink="true">https://openfreebooks.org/math/basic-math-notation/</guid>
<pubDate>Thu, 21 May 2026 23:42:19 GMT</pubDate>
<description>Learn the names and meanings of plus, minus, times, divide, equals, brackets, and other signs used in number sentences.</description>
</item>
<item>
<title>Integer foundations</title>
<link>https://openfreebooks.org/math/integer-foundations/</link>
<guid isPermaLink="true">https://openfreebooks.org/math/integer-foundations/</guid>
<pubDate>Thu, 21 May 2026 23:42:19 GMT</pubDate>
<description>Model directed magnitude on number lines; use the zero principle and tiles to add and subtract integers, and see subtraction as adding an opposite.</description>
</item>
<item>
<title>Percentage applications</title>
<link>https://openfreebooks.org/math/percentage-applications/</link>
<guid isPermaLink="true">https://openfreebooks.org/math/percentage-applications/</guid>
<pubDate>Thu, 21 May 2026 23:42:19 GMT</pubDate>
<description>Relate fractions and decimals to base-100 ratios; calculate percent increase and decrease in financial and real-world contexts.</description>
</item>
<item>
<title>Contribute</title>
<link>https://openfreebooks.org/contributing/</link>
@ -19,20 +40,6 @@
<pubDate>Thu, 21 May 2026 17:54:08 GMT</pubDate>
<description>Multiply and divide integers from models to symbolic rules; apply order of operations with signed numbers in multi-step expressions.</description>
</item>
<item>
<title>Integer foundations</title>
<link>https://openfreebooks.org/math/integer-foundations/</link>
<guid isPermaLink="true">https://openfreebooks.org/math/integer-foundations/</guid>
<pubDate>Thu, 21 May 2026 17:54:08 GMT</pubDate>
<description>Model directed magnitude on number lines; use the zero principle and tiles to add and subtract integers, and see subtraction as adding an opposite.</description>
</item>
<item>
<title>Percentage applications</title>
<link>https://openfreebooks.org/math/percentage-applications/</link>
<guid isPermaLink="true">https://openfreebooks.org/math/percentage-applications/</guid>
<pubDate>Thu, 21 May 2026 17:54:08 GMT</pubDate>
<description>Relate fractions and decimals to base-100 ratios; calculate percent increase and decrease in financial and real-world contexts.</description>
</item>
<item>
<title>Fractions and decimals</title>
<link>https://openfreebooks.org/math/rational-number-operations/</link>
@ -264,13 +271,6 @@
<pubDate>Thu, 21 May 2026 02:10:55 GMT</pubDate>
<description>Use free-body diagrams, F = ma, and motion graphs to predict how objects move.</description>
</item>
<item>
<title>Basic math notation</title>
<link>https://openfreebooks.org/math/basic-math-notation/</link>
<guid isPermaLink="true">https://openfreebooks.org/math/basic-math-notation/</guid>
<pubDate>Thu, 21 May 2026 01:07:39 GMT</pubDate>
<description>Learn the names and meanings of plus, minus, times, divide, equals, brackets, and other signs used in number sentences.</description>
</item>
<item>
<title>Zero and one</title>
<link>https://openfreebooks.org/math/zero-and-one/</link>

6
static/sitemap.xml
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@ -38,7 +38,7 @@
</url>
<url>
<loc>https://openfreebooks.org/math/basic-math-notation/</loc>
<lastmod>2026-05-21T01:07:39.000Z</lastmod>
<lastmod>2026-05-21T23:42:19.000Z</lastmod>
</url>
<url>
<loc>https://openfreebooks.org/math/basic-probability/</loc>
@ -90,7 +90,7 @@
</url>
<url>
<loc>https://openfreebooks.org/math/integer-foundations/</loc>
<lastmod>2026-05-21T17:54:08.000Z</lastmod>
<lastmod>2026-05-21T23:42:19.000Z</lastmod>
</url>
<url>
<loc>https://openfreebooks.org/math/introduction-trigonometry/</loc>
@ -130,7 +130,7 @@
</url>
<url>
<loc>https://openfreebooks.org/math/percentage-applications/</loc>
<lastmod>2026-05-21T17:54:08.000Z</lastmod>
<lastmod>2026-05-21T23:42:19.000Z</lastmod>
</url>
<url>
<loc>https://openfreebooks.org/math/permutations-combinations-probability/</loc>