## Search Results

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### Diagonals to Quadrilaterals

### Handshakes

When the nine justices of the Supreme Court meet, they greet one another with a handshake to show harmony of purpose, even though their views may differ. How many handshakes occur? In general, how many handshakes occur when there are n people?

### Bunny Times

Become confident in facts up to 12 x 12 using visual models that stress the conceptual aspects of multiplication.

### Geogebra: Residuals and Linear Regression

### Geogebra:Dynagraphs

Explore relationships between inputs and outputs by manipulating interactive double number lines.

**This interactive is optimized for your desktop and tablet. **

### Simson Line

### Isosceles Triangle Area

### Soccer Problem

### Power of a Point

Use this tool to investigate what happens when point P is moved to various points within, on, and outside the circle. What, if any, relationships can you identify among the segments and radius?