Go Math Science

by Dr. Osama M. Khaled — published Jul 15, 2024 — last modified Jul 15, 2024 08:58 PM

Percents are everywhere. Stores use them to advertise discounts, manufacturers use them to describe the contents of their products.

by Dr. Osama M. Khaled — published Dec 21, 2025 — last modified Dec 23, 2025 10:41 AM — filed under: Year 7

To evaluate expressions that contain several additions, we make repeated use of the rules for adding two integers.

Located in Mathematics / … / Integers / Adding Integers

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by Dr. Osama M. Khaled — last modified Jun 06, 2024 10:56 AM Located in Physics / Atoms and Molecules / The Periodic Table

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by Dr. Osama M. Khaled — published Aug 31, 2022 — last modified Sep 05, 2022 11:52 PM Located in Computing / … / Names, Bindings, and Scopes / Static Type Binding

by Dr. Osama M. Khaled — published Sep 17, 2023 — last modified Jul 03, 2025 12:29 PM Located in Mathematics / … / Parallel and Perpendicular Lines / Identify and define parallel and perpendicular lines

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by Dr. Osama M. Khaled — published Jun 25, 2022 — last modified May 30, 2025 09:04 PM Located in Computing / … / Introduction / Definitions

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