Search results 71 items matching your search terms. Filter the results Item type Select All/None Collection File Folder Image Link Movie Page Question Quiz Quiz History New items since Yesterday Last week Last month Ever Sort by relevance date (newest first) alphabetically Use congruence properties to prove that two triangles are congruent by Dr. Osama M. Khaled — published Nov 29, 2025 — last modified Dec 06, 2025 11:29 PM — filed under: Year 8 Sometimes it is possible to conclude that two triangles are congruent without having to show that three pairs of corresponding angles are congruent and three ... Located in Mathematics / Geometry / Congruent Triangles and Similar Triangles Use more than one property of equality to solve equations by Dr. Osama M. Khaled — published Nov 07, 2023 — last modified Jul 12, 2024 10:16 PM — filed under: Year 8 More complicated equations may require using more than one property to solve it. Located in Mathematics / Algebra / Solving Equations with Equality Use similar triangles to find unknown lengths in application problems by Dr. Osama M. Khaled — published May 14, 2026 — last modified May 16, 2026 08:34 AM — filed under: Year 7, Year 8 Similar triangles and proportions can be used to find lengths that would normally be difficult to measure. Located in Mathematics / Geometry / Congruent Triangles and Similar Triangles Use the addition property of equality by Dr. Osama M. Khaled — published Sep 12, 2023 — last modified Jul 12, 2024 10:14 PM — filed under: Year 8 Adding the same number to both sides of an equation does not change its solution. Located in Mathematics / Algebra / Solving Equations with Equality Use the converse of the Pythagorean theorem by Dr. Osama M. Khaled — published Oct 27, 2025 — last modified Oct 29, 2025 11:26 AM — filed under: Year 8 The converses of some statements are true, while the converses of other statements are false. It is interesting to note that the converse of the Pythagorean ... Located in Mathematics / Geometry / The Pythagorean Theorem Use the division property of equality by Dr. Osama M. Khaled — published Nov 04, 2023 — last modified Jul 12, 2024 10:15 PM — filed under: Year 8 Dividing both sides of an equation by the same nonzero number does not change its solution. Located in Mathematics / Algebra / Solving Equations with Equality Use the multiplication property of equality by Dr. Osama M. Khaled — published Sep 29, 2023 — last modified Jun 03, 2025 11:24 AM — filed under: Year 8 Multiplying both sides of an equation by the same nonzero number does not change its solution. Located in Mathematics / Algebra / Solving Equations with Equality Use the order of operation rule by Dr. Osama M. Khaled — published May 07, 2026 — last modified May 09, 2026 04:26 AM — filed under: Year 8 You can use this rule to evaluate expressions involving integers Located in Mathematics / … / Integers / Order of Operations and Estimation Use the Pythagorean theorem to find the exact length of a side of a right triangle by Dr. Osama M. Khaled — published Oct 20, 2025 — last modified Oct 27, 2025 08:37 AM — filed under: Year 8 If we know the lengths of any two sides of a right triangle, we can find the length of the third side using the Pythagorean theorem. Located in Mathematics / Geometry / The Pythagorean Theorem Use the subtraction property of equality by Dr. Osama M. Khaled — published Sep 20, 2023 — last modified Jul 12, 2024 10:14 PM — filed under: Year 8 Subtracting the same number from both sides of an equation does not change its solution Located in Mathematics / Algebra / Solving Equations with Equality < Previous 10 items 1 ... 4 5 6 7 8 Next 1 items > Subscribe to an always-updated RSS feed.