Search results 31 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 Identify corresponding parts of congruent triangles by Dr. Osama M. Khaled — published Nov 20, 2025 — last modified Nov 27, 2025 08:53 AM — filed under: Year 8 Simply put, two geometric figures are congruent if they have the same shape and size. Located in Mathematics / Geometry / Congruent Triangles and Similar Triangles 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 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 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 Estimate Answers to percent problems involving 200% by Dr. Osama M. Khaled — published May 12, 2025 — last modified May 12, 2025 06:40 AM — filed under: Year 7, Year 8, Year 9 Since 100% of a number is the number itself, it follows that 200% of a number would be twice the number. Located in Mathematics / … / Percent / Estimation with Percent Estimate answers to percent problems involving 50%, 25%, and 15% by Dr. Osama M. Khaled — published Mar 30, 2025 — last modified May 12, 2025 06:12 AM — filed under: Year 6, Year 7, Year 8 To find 50% of a number, divide the number 2 Located in Mathematics / … / Percent / Estimation with Percent Estimate answers to percent problems involving 1% and 10% by Dr. Osama M. Khaled — published Mar 22, 2025 — last modified May 12, 2025 06:13 AM — filed under: Year 6, Year 7, Year 8 There is an easy way to find 1% of a number that does not require any calculations Located in Mathematics / … / Percent / Estimation with Percent Calculate the amount of discount the sale price, and the discount rate by Dr. Osama M. Khaled — published Feb 21, 2025 — last modified May 12, 2025 06:19 AM — filed under: Year 6, Year 7, Year 8 Learn the vocabulary of discount sales to be a smart shopper Located in Mathematics / … / Percent / Applications of Percent Find the percent of increase or decrease by Dr. Osama M. Khaled — published Dec 24, 2024 — last modified May 12, 2025 06:16 AM — filed under: Year 7, Year 8, Year 9 Percents can be used to describe how a quantity has changed Located in Mathematics / … / Percent / Applications of Percent 1 2 3 4 Next 10 items > Subscribe to an always-updated RSS feed.
