This page groups together applications that allow you to manipulate the tools freely. Use them for group presentations on digital screens, or to give students specific assignments.
Free discovery of coins
Free weighings
Virtual weighings
Cuisenaire rulers - free use
Tens and units with marbles
Decimal numbering Dominoes
Counting abacus, Suanpan, Soroban, Stchioty
Roman abacuses
Initiation
Dilutions and fractions
Initiation to the bar diagram
Initiation to "Plus-Minus" machine
Initiation to the multiplicative bar diagram
Introduction to the Cartesian diagram
Info
Info