The work supplements are available separately. They consist of punch-out sheets with play money, number lines, learning clocks, geometric tiles, multiplication tables, etc. Supplement 1: Hundred chart, hundred field, and flip tiles; Supplement 2: Tens and fives strips; Supplement 3: Number line and meter stick; Supplement 4: Play money; Supplement 5: Learning clock; Supplement 6: Mental math trainer. With the mental math trainer, children can determine the results of their tasks and check their practice exercises themselves. The mental math trainer allows for the exploration of entire series of tasks, enabling the recognition and understanding of patterns. Not only are individual tasks practiced, but they are also interconnected. This contributes to a quick and effective automation of basic addition and multiplication.