When you think of matrices as transforming space, rather than as grids of numbers, so much of linear algebra starts to make sense.

A beautiful proof of why slicing a cone gives an ellipse.

The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.

A bit of the history behind how we came to use the symbol "pi" to represent what it does today, and how Euler used it to refer to several different circle constants.

After a friend of mine got a tattoo with a representation of the cosecant function, it got me thinking about how there's another sense in which this function is a tattoo on math, so to speak.

Conoce la diferencia entre a, an y the. En este video te enseñamos a usar los artículos a, an y the y te damos ejemplos de artículos indefinidos y el artículo definido.

Mr. Addit teaches the student the multiplication facts of 3 and 4.

Mr. Addit reviews division by 3 and 4 and demonstrates once again that division is the opposite of multiplication.

Yoga Freeze Dance: Action Song for Kids

Miss Palomine and the student practice counting letter sounds heard in various words. They then clap the syllables in some common three-syllable words.

Miss Palomine begins by blending coffee, cream, and sugar. She explains that we can also blend letter sounds. She then shows the student several three-letter words and asks him to pronounce the words. He then identifies pictures from...

Miss Palomine picks thirteen tomatoes from her garden. This begins a discussion of thirteen—what the number looks like, the amount the number represents, and where thirteen appears on a number line.

Using the drawings in her sketchpad and some graphics, Miss Palomine demonstrates to the student, the similarities and differences between two-dimensional and three-dimensional shapes.

To illustrate the concept of three-dimensional objects, Miss Palomine tells the story of Socrates titled, “That’s Not the Right Size.” She then explains the properties (height, width and depth) that make a three-dimensional object. She...

Miss Palomine goes shopping for hotdog buns and tries to find the right aisle. When she gets back to the classroom, Miss P finds that she has ten hotdog buns and only six hotdogs. This begins the exercises of recognizing the numbers 1...

Miss Palomine introduces the numbers of the week, two and three. She gives examples of the numbers, both with words and with amounts. She plots two and three on a number line, and introduces Tanner Two and Thelma Three.

Miss Palomine introduces the shape of the week, the triangle, and the color of the week, yellow. Together, she and your student will look for triangles and objects that are yellow.

Miss Palomine references day 11’s lesson of order of events to instruct the student to learn the order of numbers: 1, 2, 3. She teaches the student the terms, “first,” “second” and “third.”

Miss Palomine reviews two-dimensional and three-dimensional objects. She then looks for matching two-dimensional objects in her environment and afterward, searches for three-dimensional objects.

This is an updated version of one of my first videos on YouTube. I didn't like the quality and my "R's" were off. I think this version is better. In this video I simply read off the 3 principal parts of some German irregular verbs...

In this video I sing a wonderful song about a hat with three corners. I think it is pretty self explanatory

👉 Learn how to find the derivative of a function using the power rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative...

Mr. Clifford's explanation of frictional, structural, and cyclical unemployment and the natural rate of unemployment. Remember that "full employment" is not 0% unemployment. Even a normal health economy will experience frictional and...

Learn how to speak Japanese with Language Tree' Japanese for Kids! Filled with colorful 3D animation and sing-along songs to keep the learning process fun from beginning to end. Watch as Hiro and his cute Shibu Inu puppy, "Pochi", teach...