## Arithmetic: Multi-step mental calculations

Students have to carrry out a sequence of numeric operations mentally in order to match the target number, Quite chalenging.
http://www.sheppardsoftware.com/mathgames/arithmetic/arithmetic.htm

## Multiplication Station: Multiplication Tables

Students race the clock to multiply two or more numbers which have a product equal to the target.

## Subtraction Action

Students mentally subtract numbers from 50 to reach the target number.

Students race against the clock to add the numbers to make the total.

## Geoboard: A virtual geoboard

A virtual geoboard. A very nice implementation.
http://standards.nctm.org/document/eexamples/chap4/4.2/index.htm#applet

## Poddle Weigh-In: Adding numbers less than 10

Add weights to the scale to balance the poddle. Adding numbers less than 10.
http://pbskids.org/cyberchase/games/algebra/

## Lost in the Northern Frontier - Triangulation

The students use the concept of triangulation to locate Digit.
http://pbskids.org/cyberchase/games/circles/

## Star Gazing - Estimating Angles

Students have to estimate the angles needed to shoot each of the planets.
http://pbskids.org/cyberchase/games/anglemeasurement/