Go Math Science

Foundations of Function Notation and Representation

by Dr. Osama M. Khaled — published May 23, 2026 — last modified May 23, 2026 08:58 PM — filed under: Year 9, Year 10

This quiz tests your understanding of function notation, the distinction between f and f(x), independent vs. dependent variables, and the four modes of ...

Located in Mathematics / Calculus / The Concept of a Function

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

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

Graphs for categorical variables

by Dr. Osama M. Khaled — published Aug 11, 2022 — last modified Jul 13, 2024 10:12 PM — filed under: Year 9

The values of a categorical variable are labels for the categories, such as “female” and “male"

Located in Mathematics / Statistics / Data Distributions

History

by Dr. Osama M. Khaled — published Jun 26, 2022 — last modified Jul 13, 2024 10:32 PM — filed under: Year 9

Test your basic knowledge in history of computers

Located in Computing / Hardware / Introduction

History of Algebra

by Dr. Osama M. Khaled — published Jun 04, 2022 — last modified Jul 23, 2025 03:32 AM — filed under: Year 9

Algebra is one of the major branches of mathematics which was established by Muslim Arabs.

Located in Mathematics / Algebra / Basics

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

How much do you know about the importance of Software Engineering?

by Dr. Osama M. Khaled — published May 27, 2026 — last modified May 27, 2026 12:15 PM — filed under: Year 9, Year 10, Undergraduate

Learn why software engineering is important in the computing field

Located in Computing / Software Engineering / Get Started

Identify bases and exponents

by Dr. Osama M. Khaled — published Dec 16, 2023 — last modified Jul 12, 2024 10:19 PM — filed under: Year 9

An exponent indicates repeated multiplication as a shortcut method of how many times the base is used as a factor.

Located in Mathematics / Algebra / Multiplication Rules for Exponents

Introductory concepts in Biology - 1

by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified Jul 13, 2024 10:49 PM — filed under: Year 9 Located in Biology / Basics

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