Howcast - Learn how to do a basket weave stitch in this knitting tutorial from Howcast.

Howcast - Learn how to make a tie dye box pattern in this Howcast video.

Howcast - Learn how to copy appearance attributes with Adobe Illustrator from expert Will "Focus" Dubois in this Howcast video.

Howcast - Learn about chess centering from Chess NYC in this Howcast video.

Howcast - Learn about the role of space in chess from Chess NYC in this Howcast video.

Howcast - Learn how to use the bishop in chess from Chess NYC in this Howcast video.

Howcast - Learn how to set up the chess board from Chess NYC in this Howcast video.

Howcast - Almost anyone knows how to play tic-tac-toe, but not everyone knows the strategy that guarantees they'll never lose another game.

Howcast - The Pythagorean theorem is a cornerstone of geometry. Here's how to use it.

Howcast - KenKen can be a great way to challenge your puzzle-solving skills and pass the time.

Howcast -Learn how to draw popular henna designs from expert Lisa Butterworth in this Howcast video about henna and mehndi art.

With just a few things from around the house, you can turn your bedroom into a fortress!

Chess is a game of strategy. With the right techniques at the beginning of the game, you can quickly corner your opponent's king and call checkmate.

The Ambiguous Cylinder optical illusion features a shape that appears as either circular or square depending on the viewing angle, challenging perception and perspective.

Talk about the checker shadow illusion and how it works. Tell us a little about the color theory / how the eyes work to explain why this happens. You can mention other examples.

Pupil outcome: I can recognise 2D shapes such as rectangles, circles and triangles. Key learning points: - Recognise 2D shapes that are the same, including when the rotation, size or proportion has changed. - Circles are round and have a...

Pupil outcome: I can create different shapes with the same area. Key learning points: - If you have the same number of squares, the area will be the same however they are arranged. - There must be no gaps or overlaps between the shapes...

Pupil outcome: I can use proportionality as a comparison rather than just absolute values. Key learning points: - A smaller percentage of one number can be greater than a larger percentage of a different number. - Proportionality offers...

In this video, we investigate how changing the linear dimensions of a 3d solid will affect the volume and surface area. After a dilation of a certain scale factor, how can that scale factor be used to predict the new volume or surface...

How do you maximize the volume of a box with a polynomial function? In this video, we cut the corners off a flat sheet of metal to fold up the box and create an open-top box. We model the volume of said box with a polynomial function...

Find all six trig ratios given a point on the terminal side of theta. In this video we work this common type of problem. We use the Pythagorean Theorem to find "r" (hypotenuse), and then use the given "x" (adjacent) and "y" (opposite) to...

Algebra 1 STAAR/EOC released test questions. These are practice problems meant to help you review and practice as you prepare for your STAAR test / EOC test for Algebra 1 (Texas). Readiness standard A10E - factor, if possible, trinomials...

Explore the unexpected link between Abraham Lincoln's beard change and Milton Bradley's shift from lithographs to creating the iconic board game, "The Game of Life."

Make a model whipple shield and test its ability to absorb debris impacts in this space science project