| Category | Name | Description |
View Activity | Geometry | Congruent Triangles | Learn how to copy triangles |
View Activity | Geometry | Parallel Lines | Learn how to construct parallel lines |
View Activity | Geometry | Similar Triangles | Constructing similar triangles from other triangles |
View Activity | Geometry | Sum of Triangle Angles | Shows how to prove the sum of the angles of a triangle equals that of a straight line. |
View Activity | geometry | Pythagorean Geometrically | Proof of Pythagorean theorem by a pure geometric approach. Watch the triangles do the hopey-pokey. |
View Activity | Geometry | Pythagorean Theorem | Using the distributive rule to prove the Pythagorean theorem. |
View Activity | Magic Squares | The Magic Square | Introduction to the magic square. How to construct one and why magic squares |
View Activity | Magic Squares | Vertical Flip of Magic Square | What happens when we vertically flip a magic square? This is a vertical reflection. |
View Activity | Magic Squares | Rotation of Magic Square | What happens when we rotate a magic square? |
View Activity | Magic Squares | 4x4 Magic Square | This film shows how to generate 4x4 magic squares |
View Activity | Magic Squares | 5x5 Magic Square | This film shows how to generate a 5x5 Magic Square |
View Activity | Magic Squares | 6x6 and 4x4 | Simulation of Sixth Sense exhibit at the Museum of Mathematicss (MoMath) |
View Activity | Number Structure | Tine & Money | Uses expanded notation to explain calculations with time and exchanging money |
View Activity | Number Structure | Explaining Fractions | Explaining why we invert fractions when we divide and other operations with fractions |
View Activity | Number Structure | Square Root | Shows you how to take the square root of a number. |
View Activity | Number Structure | Decimal Exponentials | How to raise a number to a decimal power. You need to know how to take a square root. |
View Activity | Tricks | Guess your number | Through a series of flash cards, guess a selected number from 1 to 100 |
View Activity | Tricks | Guess the sum | Guess the sum of 5 rows of numbers before the numbers are stated |
View Activity | Trigonometry | Powpat | Prove sin(x+y)=sin(x)cos(y)+sin(y)cos(x) using the power series for the sin and cosine and the binomial expansion |