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  1. Fractions and Mixed Numbers
    by Dr. Osama M. Khaled — published Oct 03, 2022 — last modified Dec 14, 2025 05:05 AM
    When we need to describe a part of a whole, such as one-half of a pie, three-quarters of an hour, or a one-third-pound burger, we can use fractions.
    Located in Mathematics / Basic Arithmetic
  2. Basics
    by Dr. Osama M. Khaled — published Sep 15, 2023 — last modified May 28, 2024 08:54 PM
    Whole numbers are used to count objects, such as CDs, stamps, eggs, and magazines. When we need to describe a part of a whole, such as one-half of a pie, ...
    Located in Mathematics / Basic Arithmetic / Fractions and Mixed Numbers
  3. Multiplying Fractions
    by Dr. Osama M. Khaled — published Sep 20, 2023 — last modified May 28, 2024 08:55 PM
    Multiplying fractions; simplify answers when multiplying fractions; evaluate exponential expressions that have fractional bases; solve application problems by ...
    Located in Mathematics / Basic Arithmetic / Fractions and Mixed Numbers
  4. Percent
    by Dr. Osama M. Khaled — published Jun 18, 2022 — last modified Dec 14, 2025 04:57 AM
    Learn about percent and how to use them in real life situations.
    Located in Mathematics / Basic Arithmetic
  5. Whole Numbers
    by Dr. Osama M. Khaled — published Jun 18, 2022 — last modified Dec 14, 2025 04:56 AM
    The whole numbers are 0, 1, 2, , 3, etc ... and used to answer questions such as how many? how far? how fast?
    Located in Mathematics / Basic Arithmetic
  6. Calculus
    by Dr. Osama M. Khaled — published Jun 19, 2022 — last modified May 28, 2024 12:12 PM
    Calculus is the mathematical study of change
    Located in Mathematics
  7. Function
    by Dr. Osama M. Khaled — published Jul 02, 2022 — last modified Oct 28, 2023 05:26 AM
    The concept of a Function
    Located in Mathematics / Calculus
  8. Discrete Mathematics
    by Dr. Osama M. Khaled — published Jun 08, 2022 — last modified May 28, 2024 12:23 PM
    Discrete mathematics looks into mathematical structures that are "discrete" rather than "continuous"
    Located in Mathematics
    Discrete Mathematics
  9. Sets
    by Dr. Osama M. Khaled — published Jul 07, 2022 — last modified Oct 28, 2023 05:26 AM
    Elementary Set Theory
    Located in Mathematics / Discrete Mathematics
  10. Geometry
    by Dr. Osama M. Khaled — published Oct 18, 2020 — last modified Nov 26, 2025 10:36 AM
    Some stimulating and challenging questions in geometry reminding you with the rules. Do not miss them
    Located in Mathematics
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