Recent Posts

Title Description Creator created
Solve percent equation to find the percent We translate the words of the problem into a percent equation and solve it. Dr. Osama M. Khaled Jul 19, 2024 10:21 PM
Solve percent equations to find the amount We translate the percent sentence into a percent equation and then find the unknown number Dr. Osama M. Khaled Jul 18, 2024 06:17 PM
quiz-search Dr. Osama M. Khaled Jul 17, 2024 06:20 AM
Translate percent sentences to percent equations There are some keywords that can be translated into mathematical symbols Dr. Osama M. Khaled Jul 15, 2024 09:50 PM
Simplify complex fractions Fractions whose numerators and/or denominators contain fractions are called complex fractions Dr. Osama M. Khaled Jul 15, 2024 06:57 PM
Evaluate formulas To evaluate a formula, we replace its letters, called variables, with specific numbers and evaluate the right side using the order of operations rule. Dr. Osama M. Khaled Jul 11, 2024 04:46 AM
Donate Dr. Osama M. Khaled Jul 10, 2024 09:38 PM
Application Problems Solve application problems by using the order of operations rule Dr. Osama M. Khaled Jul 08, 2024 07:20 PM
Download your quiz worksheet Dr. Osama M. Khaled Jul 08, 2024 05:28 AM
Join us as a student Dr. Osama M. Khaled Jul 05, 2024 11:36 AM
Maths Formula to Image Maths Formula to Image Use our tool to convert a mathematical formula into an image that you can use in other documents or applications Dr. Osama M. Khaled Jul 04, 2024 04:33 AM
Use the order of operations rule If order of operations is not used, an expression may have more than one value Dr. Osama M. Khaled Jul 02, 2024 10:35 AM
Application Problems Solve application problems by adding and subtracting mixed numbers Dr. Osama M. Khaled Jun 29, 2024 06:21 PM
Analyze Chemical Reaction Analyze Chemical Reaction Analyze the reaction of a chemical formula Dr. Osama M. Khaled Jun 24, 2024 08:48 AM
Combustion Analysis Combustion Analysis Get the empirical formula of a hydrocarbon given the grams of CO2 and grams of H2O formed from its combustion. Dr. Osama M. Khaled Jun 22, 2024 12:00 PM
Subtract mixed numbers Subtracting mixed number is similar to adding mixed number Dr. Osama M. Khaled Jun 21, 2024 02:23 PM
Add mixed numbers You can add mixed numbers by writing them as improper fractions or adding their whole parts and fractions separately Dr. Osama M. Khaled Jun 19, 2024 08:00 PM
Self Test Test your knowledge in atoms and molecules Dr. Osama M. Khaled Jun 16, 2024 10:14 AM
Avogadro's Number Avogadro's number, also known as Avogadro's constant, is a fundamental constant in chemistry that represents the number of atoms, molecules, or particles in one mole of a substance. Dr. Osama M. Khaled Jun 11, 2024 08:34 PM
Atomic Masses The relative mass of an individual atom of that element Dr. Osama M. Khaled Jun 10, 2024 06:43 AM
Electron Orbits Defining the orbits of electrons and the maximum number at any level Dr. Osama M. Khaled Jun 06, 2024 08:55 PM
The Periodic Table The periodic table sorts the elements by chemical properties and are listed horizontally in order by atomic number. Dr. Osama M. Khaled Jun 06, 2024 10:28 AM
Atoms and Molecules The study of what happens when an atom is broken apart is the subject of nuclear physics. Dr. Osama M. Khaled Jun 02, 2024 07:02 AM
Elements and Compounds All of the materials and substances that we experience are made up of elements Dr. Osama M. Khaled May 30, 2024 08:48 PM
Application Problems Solve application problems by multiplying and dividing mixed numbers Dr. Osama M. Khaled May 28, 2024 09:04 PM
Empirical Formulae by Percentage Composition Empirical Formulae by Percentage Composition Get the empirical formula given the percentage compositions of all elements in the compound. Dr. Osama M. Khaled May 22, 2024 08:05 AM
Multiply and divide mixed numbers The same procedures used to multiply and divide fractions can be used with mixed numbers. Dr. Osama M. Khaled May 21, 2024 08:56 PM
Mathematics APIs A collection of REST APIs to make your life easier with advanced calculations Dr. Osama M. Khaled May 19, 2024 08:40 AM
Standard Header parameters Dr. Osama M. Khaled May 19, 2024 08:28 AM
Solve Algebraic Equations Solve Algebraic Equations Solve equations algebraically (symbolically) Dr. Osama M. Khaled May 18, 2024 03:57 PM

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