William

William invites the students to get involved in ten activities which develop problem solving strategies, mental arithmetic, and logical thinking.

A level of difficulty ranging from 5 to 100 can be set. In the main menu one or more activities can be selected.

The activities to select from are:

• the magician conjures sums: find missing operation;

• the painter mixes numbers: correlate sums to numbers;

• the gardener picks apples: correlate number pairs;

• the grocer weighs packages: equate results of two operations;

• the photographer shoots pictures: correlate result with operations;

• the jailer frees prisoners: correlate operations with results;

• the professor presents interrelated sums: solve math puzzles;

The following options are available:

• sound on/off;

• select level of difficulty;

• the stone mason builds a wall: recognize math groupings;

• the plumber is thirsty: perform mixed operations;

• the urchin flies a kite: sequence results of operations.