## Search Results

### IGD: Perpendicular Bisector

9-12
Use this tool to demonstrate how to draw a perpendicular bisector.

### IGD: Simson Line - Orthocenter

9-12
Use this tool to explore how the Simson line of a triangle is related to the orthocenter.

### Isometric Drawing Tool

3-5, 6-8, 9-12
Use this interactive tool to create dynamic drawings on isometric dot paper.

### KenKen

Pre-K-2, 3-5, 6-8, 9-12
Developing Calculation Skills, Logical Thinking and Persistence with a Puzzle Game

### Line of Best Fit

6-8, 9-12
Use thisĀ activity to practice how to enter a set of data, plot the data on a coordinate grid, and determine the equation for a line of best fit.

### Linear Regression I

6-8, 9-12
Investigating a Regression Line and Determining the Effects of Adding Points to a Scatterplot

### Name Letters

3-5, 6-8, 9-12
Use this activity to practice solving systems of equations. Use this tool to check students' answers.

### Tower of Hanoi

6-8, 9-12
Use this applet to solve the Towers of Hanoi puzzle: move all the discs from the first peg to the last.

### Times Table

Pre-K-2, 3-5
This tool allows you to practice multiplying single-digit numbers.

### The Quotient Cafe

3-5, 6-8
Use this applet to illustrate division and remainders by the division of food to aliens, dinosaurs, penguins and more.