Go Math Science

by Dr. Osama M. Khaled — published Dec 17, 2023 — last modified Jul 12, 2024 10:19 PM — filed under: Year 9

Multiply exponential expressions that have like bases

by Dr. Osama M. Khaled — published Sep 18, 2022 — last modified Jul 13, 2024 10:06 PM — filed under: Year 9

Test your knowledge and memory identifying symbols of comment elements

by Dr. Osama M. Khaled — published Oct 15, 2021 — last modified Jul 13, 2024 10:50 PM — filed under: Year 9

Do you know plant parts? Take this quiz and refresh your knowledge

Located in Biology / Botany

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

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

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

by Dr. Osama M. Khaled — published Jan 11, 2024 — last modified Jul 12, 2024 10:20 PM — filed under: Year 9

To raise an exponential expression to a power, keep the base and multiply the exponents

by Dr. Osama M. Khaled — published May 25, 2023 — last modified Jul 12, 2024 10:24 PM — filed under: Year 9

The commutative and associative properties of multiplication can be used to simplify certain products

by Dr. Osama M. Khaled — published Aug 14, 2024 — last modified Aug 17, 2024 04:20 AM — filed under: Year 8, Year 9, Year 10

The specific gravity of a substance is often listed in tables instead of either mass density or weight density

Located in Physics / Solids

by Dr. Osama M. Khaled — published Aug 13, 2023 — last modified Jul 13, 2024 09:49 PM — filed under: Year 9 Located in Mathematics / Statistics / Data Distributions

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