## All Activities

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### Pandemics: How Are Viruses Spread?

Predict the spread of a virus over a population.

### Personal Number

### IGD: Simson Line - Orthocenter

### IGD: Perpendicular Bisector

### A Geometric Investigation of (*a* + *b*)^{2}

*a*+

*b*)

^{2}

^{}= a

^{2}+2ab + b

^{2}.

### Algebra Tiles

### IGD: Dropping a Perpendicular Line

### Patch Tool

### Area of Trapezoids

### Area of Parallelograms

### Product Game

### Triangle Classification

### Investigating Functions with a Ferris Wheel: Distance vs. Width

Investigating Functions with a Ferris Wheel: Distance vs. Width A Web Sketchpad activity helps students make sense of relationships between quantities, in this case the way that the distance a car travels around a Ferris wheel covaries with its "width" or horizontal distance from the center of the Ferris wheel

### Investigating Functions with a Ferris Wheel: Distance vs. Height

Investigating Functions with a Ferris Wheel: Distance vs. Height A Web Sketchpad activity helps students make sense of relationships between quantities, in this case the way that the distance a car travels around a Ferris wheel covaries with its height. <iframe src="/tools/ferriswheel/FerrisWheel_