If your class is studying inequalities, consider this video. The focus is on solving a decimal inequality that has negative numbers in it. A lecturer works through an example problem, commenting on the steps and properties necessary to...

Divide decimals to solve this inequality! Learners can watch the instructor in this thorough video as she works through an inequality that contains decimals. This resource is appropriate for teaching, reinforcing, or reviewing the concept.

Watch the instructor change a percent into a decimal in order to multiply the two values to get the percent of a number.

Powers of 10 are about moving the decimal around. The instructor illustrates how to move the decimal when it's ten percent or it's one percent. Once you understand this procedure you can do the mental math, in your head of course!

Guavas are on sale in this video. Here two examples are shown to calculate a discounted rate.

This video defines rational numbers. Through the definition and examples, learners should comprehend that irrational numbers are numbers that cannot become simple fractions. The video uses examples of very common irrational numbers, such...

What number is 40% of 30? Learn the formula and be able to figure out all of the percent problems. The instructor demonstrates the basic formula. Then she shows how and where to plug in the numbers according to what the problem is asking...

Here is a basic video on scientific notation. The presenter defines scientific notation for very large and very small numbers. Then he shows how to convert numbers to scientific notation, and how to do the reverse by converting from...

This presentation takes the topic of scientific notation past the basics to look at some more complicated problems of simplifying numbers in scientific notation. Specifically, they cover multiplying a number in scientific notation by a...

Here the focus is on simplifying square root expressions. Showing how to rewrite a variable or integer radicand as a product of the perfect square factor and any remaining factors, is shown through examples. They also present...

The video quickly reviews the definition of scientific notation, and then demonstrates how to multiply two numbers in scientific notation together and how to rewrite the final answer if necessary. It does not show an example...

This video shows how to write a decimal in word form, using place value concepts. Practice problems are available. [3:31]

This video covers the decimal place value.

Videos feature math students providing step-by-step solutions to problems involving decimal multiplication. In the left hand menu, click on Basic Mathematics, Decimals, Multiplication.

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on decimal place value to the hundredths.

This lesson explains that each digit in a decimal number has a value related to its positional representation.

Video showing how to represent decimal numbers in binary notation, and how to count in binary using your fingers.

[Free Registration/Login may be required to access all resource tools.] This is a video that shows how to solve both an addition and subtraction problem with decimals.

In this lesson, you will learn how to multiply decimals by using fractions. [2:49]

In this lesson, you will learn how to divide decimals by using a number line. Login gives access to a slideshow and additional videos. [2:22]

This lesson demonstrates how to solve various problems with negative fractions and decimals as well as dividing a fraction or mixed number by a fraction. [6:35]

In this lesson, students see how to round up or down in order to estimate with a decimal.

In this lesson, students see how to round up or down in order to estimate with a decimal. It is 5 of 10 in the series titled "Estimating with Decimals."

Video showing how to represent decimal numbers in binary notation, and how to count in binary using your fingers. [2:28]