Substitution is the name given to the process of swapping an algebraic letter for its value. Consider the expression 8\({z}\) + 4. This can take on a range of values depending on what number \({z ...

However, we have seen that many founders or co-founders start their business and keep themselves busy in promoting their product and forget to establish the basic payroll needs of the firm ...

The plus symbol (+) signifies addition. It's the most basic math symbol in the world. When adding two or more numbers, use the plus symbol to indicate that you are combining them. For example ...

Intended for students with little or no background in basic algebra or whose background is not current. Topics covered include: the real number system, factoring fractions, linear equations, functions ...

This short video clip explains and explores the basic principles of algebra. BBC Teach has thousands of free, curriculum-linked resources to help deliver lessons - all arranged by subject and age ...

Here’s a look at some helpful worksheets for primary school math lessons. Comparison charts ... students can start to ...

Father's Day 2015 is June 21. Here are funny and emotional dad videos. The last one will make the room dusty.

Gilbert Strang has taught linear algebra at MIT for more than 50 years and the course he developed has become a model for teaching around the world. His video lectures on MIT OpenCourseWare have been ...

These are the best children’s science, technology, engineering, and math toys to inspire creativity and learning.

Please verify your email address. Android users can now access Duolingo's Music and Math lessons, which were first announced last year. The lessons, which have been available on iOS since last ...

Curricula and lesson plans are at the heart of the Ethics Center's efforts in elementary, middle, and high school character education. In addition, we provide workshops and training for teachers and ...