Recent Posts

Title Description Creator created Image
Expressing Units Learn the units that go with various quantities, express units using their abbreviations, and make new units by combining numerical prefixes with units. Dr. Osama M. Khaled Dec 26, 2023 04:33 AM
Multiply exponential expressions Multiply exponential expressions that have like bases Dr. Osama M. Khaled Dec 17, 2023 04:00 AM
Identify bases and exponents An exponent indicates repeated multiplication as a shortcut method of how many times the base is used as a factor. Dr. Osama M. Khaled Dec 16, 2023 08:13 AM
Exercise 1: Vocabulary Dr. Osama M. Khaled Dec 11, 2023 03:44 AM
Application problems with unknowns Solve application problems to find one unknown Dr. Osama M. Khaled Dec 02, 2023 08:40 AM
Draw Formula Graph Pass in the formula and draw its graph Dr. Osama M. Khaled Nov 23, 2023 01:49 PM Draw Formula Graph
Simplify algebraic expressions Enter an equation or a mathematical expression to simplify Dr. Osama M. Khaled Nov 19, 2023 05:00 AM Simplify algebraic expressions
Simplify expressions to solve equations When solving equations, we should simplify the expressions that make up the left and right sides before applying any properties of equality. Often, that involves removing parentheses and/or combining like terms. Dr. Osama M. Khaled Nov 18, 2023 10:07 PM
Use more than one property of equality to solve equations More complicated equations may require using more than one property to solve it. Dr. Osama M. Khaled Nov 07, 2023 07:28 AM
Use the division property of equality Dividing both sides of an equation by the same nonzero number does not change its solution. Dr. Osama M. Khaled Nov 04, 2023 09:27 AM
Mass and Weight Is mass different from weight? Take this quiz and test your knowledge Dr. Osama M. Khaled Oct 28, 2023 05:26 AM Mass and Weight
Postal Rates Data are often presented in tables, with information organized in rows and columns. This exercise will give you the basic concepts of reading a table to find a piece of information. Dr. Osama M. Khaled Oct 02, 2023 07:35 AM
Use the multiplication property of equality Multiplying both sides of an equation by the same nonzero number does not change its solution. Dr. Osama M. Khaled Sep 29, 2023 07:32 PM
Multiply fractions To multiply two fractions, multiply the numerators and multiply the denominators. Simplify the result, if possible Dr. Osama M. Khaled Sep 21, 2023 02:26 AM
Use the subtraction property of equality Subtracting the same number from both sides of an equation does not change its solution Dr. Osama M. Khaled Sep 20, 2023 08:53 PM
Exercise 2: Concepts Practice the essential concepts to simplify algebraic expressions Dr. Osama M. Khaled Sep 20, 2023 11:45 AM
Identify corresponding angles, interior angles, and alternate interior angles A line that intersects two coplanar lines in two distinct (different) points is called a transversal Dr. Osama M. Khaled Sep 18, 2023 11:22 AM
Identify and define parallel and perpendicular lines Parallel lines are not intersecting while perpendicular lines are intersecting and form a right angle Dr. Osama M. Khaled Sep 17, 2023 11:24 AM
Equivalent Fractions Fractions can look different but still represent the same part of a whole. Dr. Osama M. Khaled Sep 15, 2023 11:28 PM
Round whole numbers When we don’t need exact results, we often round numbers Dr. Osama M. Khaled Sep 14, 2023 06:01 AM
Use the addition property of equality Adding the same number to both sides of an equation does not change its solution. Dr. Osama M. Khaled Sep 13, 2023 04:08 AM
Exercise 1: Vocabulary Practice some essential vocabulary when you simplify algebraic expressions Dr. Osama M. Khaled Sep 12, 2023 11:46 PM
Determine whether a number is a solution An equation is a statement indicating that two expressions are equal Dr. Osama M. Khaled Sep 12, 2023 07:03 AM
Exercise 6:Translate to algebraic expression Abstract the words into concrete algebraic expressions Dr. Osama M. Khaled Sep 11, 2023 08:13 PM
Exercise 1: Guided Practice An exercise showing how percents could be used in practical situations Dr. Osama M. Khaled Sep 11, 2023 05:50 AM
Privacy Policy Dr. Osama M. Khaled Sep 09, 2023 11:22 AM
Write fractions as percents We use a two-step process to write a fraction as a percent. First we write the fraction as a decimal. Then we write that decimal as a percent. Dr. Osama M. Khaled Sep 09, 2023 01:00 AM
Write decimals as percents To write a percent as a decimal, we drop the % symbol and move the decimal point 2 places to the left. To write a decimal as a percent, we do the opposite: we move the decimal point 2 places to the right and insert a % symbol. Dr. Osama M. Khaled Sep 08, 2023 02:09 AM
String Processing String processing algorithms have been important for computer science for a long time in conjunction with computer languages and compiling issues. Dr. Osama M. Khaled Sep 07, 2023 11:36 PM
Searching The searching problem deals with finding a given value, called a search key, in a given set (or a multiset, which permits several elements to have the same value). Dr. Osama M. Khaled Sep 07, 2023 12:30 AM