Go Math Science

Identifying like terms

by Dr. Osama M. Khaled — published Jun 01, 2023 — last modified Jul 12, 2024 10:08 PM — filed under: Year 7

Like terms and unlike terms

Located in Mathematics / Algebra / Simplifying Algebraic Expressions

Mathematical Operations and Foundational Constraints

by Dr. Osama M. Khaled — published May 23, 2026 — last modified May 23, 2026 08:55 AM — filed under: Year 7, Year 8

Negative Numbers and Division by Zero

Located in Mathematics / Calculus / From Arithmetic to Algebra

Multipying integers (vocabulary)

by Dr. Osama M. Khaled — published May 07, 2026 — last modified Aug 23, 2026 06:11 AM — filed under: Year 7

Practice some vocabularies in while multiplying integers

Located in Mathematics / … / Integers / Multiplying Integers

Perform several additions to evaluate expressions.

by Dr. Osama M. Khaled — published Dec 21, 2025 — last modified Aug 23, 2026 06:31 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

Pressure in a liquid

by Dr. Osama M. Khaled — published Jul 16, 2025 — last modified Jul 19, 2025 10:28 PM — filed under: Year 7, Year 8

Pressure in a liquid increases with depth below the surface

Located in Physics / Liquids and Gases

Prime, Composite, and Rational Numbers

by Dr. Osama M. Khaled — published Aug 19, 2026 — last modified Aug 21, 2026 11:24 AM — filed under: Year 7

Explore prime and composite numbers and the set of rational numbers.

Located in Mathematics / Calculus / Discovery of Real Numbers: Through Traditional Algebra

Properties and Theory of Integers

by Dr. Osama M. Khaled — published May 23, 2026 — last modified May 23, 2026 05:02 AM — filed under: Year 7, Year 8

Even/Odd Numbers, Factors, Prime Numbers, HCF, and LCM

Located in Mathematics / Calculus / From Arithmetic to Algebra

Rules and Properties

by Dr. Osama M. Khaled — published Jun 04, 2022 — last modified Jul 12, 2024 10:01 PM — filed under: Year 7

Rules and properties to understand in order to successfully solve an algebraic equation

Located in Mathematics / Algebra / Basics

Solve application problems by adding integers

by Dr. Osama M. Khaled — published Dec 26, 2025 — last modified Feb 18, 2026 03:30 PM — filed under: Year 7

There are many application problems that can be solved by adding integers. Here are few of them.

Located in Mathematics / … / Integers / Adding Integers

Solve application problems by subtracting integers

by Dr. Osama M. Khaled — published Apr 25, 2026 — last modified Apr 29, 2026 08:04 PM — filed under: Year 7

Subtraction finds the difference between two numbers. When we find the difference between the maximum value and the minimum value of a collection of ...

Located in Mathematics / … / Integers / Subtracting Integers

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