Counting to the number twelve is fun with this video which tracks the path of a pinball. This animated film could be used as a way to reinforce counting skills or as a motivator prior to a math lesson.

Providing an introduction to 16, Martians interact with this number. This could be a fun way to introduce the number in a kindergarten or pre-school classroom.

Review the concept of rounding numbers in the millions. Using the example 2,561,190, the narrator rounds numbers to the nearest million, hundred thousand, ten thousand, thousand, hundred and ten. This is a terrific way to reinforce...

An instructor shows that with multiplication it is easier to multiply than to solve a problem through repeated addition. This is a very concrete example that shows both the reason and the rational behind multiplication.

Watch Allison write the number 213 in expanded form. She explains how each number is multiplied by a 1, 10, or 100 and how it relates to place value. This clip is short and fast, but could be useful for learners needing an expanded form...

Irrational, rational, and terminating numbers are all covered in this math tutorial. The instructor uses a question from a math test to work through, showing how to compute and evaluate each answer to determine if the number given in...

Sal reinforces the concepts taught in the first video on Singapore's four-digit addition with a series of addition problems. The video would be an excellent homework assignment. Ask your class to view it at home and write a paragraph on...

Third graders use zero, four, and five to make as many three-digit numbers as possible. Sal explains that to make the largest number possible, one must put the largest number in the highest place. Each step and Sal's thought process is...

To help students visualize how to order fractions and decimals this teacher uses a clever story. The animation used is very bright and the context of the story may be a great way to help students understand why convert a fraction into a...

Build a strong number system relationships with your class by viewing this video. Natural, whole, integers, and rational numbers are shown as a series off cups that fit into each other.

Eight-year-old James, demonstrates how he counts in binary. This video does not have an explanation of what binary is but could act as an example of the binary system.

Upper graders and middle schoolers will love this clip. They'll learn how to divide large numbers mentally. The narrator uses addition (and what appears to be magic) to divide a six-digit number by a single-digit number. Really cool...

The littlest learners will love counting along with this sing-song video. They can sing and count 10 fat sheep as they appear on the screen. A great way to reinforce counting skills, number sense, and number recognition in children ages...

As part of a series on numbers less than 10,000, a thorough presentation demonstrates how to visualize numbers in groups of a thousand. The instructor then describes how to read and write numbers less than 10,000.

Using a step-by-step approach, Sal from Kahn Academy visually describes what a group of 10, 100, and 1,000 means. It explores the value of numbers less than 10,000. The example is easy to understand. He puts marbles in a can, and the...

Use the Singapore math methods to work through simple problems. Visual representations of word problems allow viewers to start making predictions and estimating the answers. This is a good way for class members to use various methods to...

This video lesson explores how to perform fast mental math tricks and speedy calculations that can be applied to addition problems. [12:30]

This bingo-like game allows children to think about numbers in different ways. A video shows the game in action and a downloadable card set is provided. [5:14]

Can you use your counting skills to win the race? Win the race by counting to fill your race car with enough gas to cross the finish line.

Given a, b, and c shown on the number line, Sal determines if statements like -b < c are true. [4:54]

The learning resource consists of a video [6:21] on how to use scientific notation to solve a word problem. Learners watch a step-by-step example to learn about the algebra concept.

This lesson explains what the different inequality symbols mean. Students can watch a video tutorial and then take an online quiz.

Students review the not equal sign in this lesson. The video tutorial consists of examples that explain how to use the not equal sign.

This QuickTime movie provides an explanation of the order of operations. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept.