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  1. Find powers of products
    by Dr. Osama M. Khaled — published Jan 18, 2024 — last modified Jul 12, 2024 10:20 PM — filed under: Year 9
    To raise a product to a power, raise each factor of the product to that power
    Located in Mathematics / Algebra / Multiplication Rules for Exponents
  2. Quadratic Expressions - Expanding
    by Dr. Osama M. Khaled — published Nov 20, 2020 — last modified Jul 12, 2024 10:22 PM — filed under: Year 9
    Expanding quadratic expressions is very important. It should be very easy as well. Do not be scared. Take the quiz and try it yourself
    Located in Mathematics / Algebra
  3. Quadratic Expressions - Expanding
    by Mohamed Osama — published Dec 17, 2020 — last modified Jun 06, 2025 09:26 AM — filed under: Year 9
    Another quiz showing how to do equation expansion
    Located in Mathematics / Algebra
  4. Geometry Basics
    by Dr. Osama M. Khaled — published Oct 18, 2020 — last modified Jul 13, 2024 10:52 PM — filed under: Year 9
    Test your basic knowledge about geometry. We all need some refreshment every now and then. You think you remember everything about geometry. You may be ...
    Located in Mathematics / Geometry / Fundamentals
  5. Geometry Definitions
    by Dr. Osama M. Khaled — published May 22, 2022 — last modified Jul 13, 2024 10:46 PM — filed under: Year 9
    Some essential definitions in geometry
    Located in Mathematics / Geometry / Fundamentals
  6. History of Geometry
    by Dr. Osama M. Khaled — published May 22, 2022 — last modified Jun 09, 2025 08:46 PM — filed under: Year 9
    Good to know historical information about geometry
    Located in Mathematics / Geometry / Fundamentals
  7. Points, lines, and planes
    by Dr. Osama M. Khaled — published May 27, 2022 — last modified Jul 13, 2024 10:44 PM — filed under: Year 9
    Geometry is based on three undefined words: point, line, and plane
    Located in Mathematics / Geometry / Fundamentals
  8. Lines, segments and rays
    by Dr. Osama M. Khaled — published May 28, 2022 — last modified Jul 13, 2024 10:43 PM — filed under: Year 9
    Answer some questions about lines, segments and rays
    Located in Mathematics / Geometry / Fundamentals
  9. Determine whether two triangles are similar
    by Dr. Osama M. Khaled — published May 14, 2026 — last modified Aug 22, 2026 07:09 AM — filed under: Year 9
    Similar triangles have the same shape, but not necessarily the same size
    Located in Mathematics / Geometry / Congruent Triangles and Similar Triangles
  10. Classify quadrilaterals
    by Dr. Osama M. Khaled — published May 15, 2026 — last modified May 16, 2026 08:32 AM — filed under: Year 9
    A quadrilateral is a polygon with four sides
    Located in Mathematics / Geometry / Quadrilaterals and Other Polygons
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