Decide whether you want to measure in Standard or metric and at what level (i.e. inch, half inch or centimeter, millimeter) and begin practice. Computer will generate a line above the ruler and the player enters the length and checks for...

Practice using metric rulers and rulers with inches. Includes helpful feedback when questions are answered incorrectly.

Help feed the animals in the Wild Park. Do you know enough about volume and capacity?

A complete tutorial that explains time, metric system, mass, length, volume, and temperature. Interactive practices and challenge games are included.