... With the four arithmetic subjects, children can practice the four basic arithmetic operations and test their knowledge themselves: You start on the left-hand side from top to bottom. In the middle is the calculation step, e.g. B. + 1, on the right are possible results. If the result is correct, the cord is threaded into the notch below and guided to the left on the back to the next number. The children can use the diagonal lines on the back to check whether they have correctly guided the string from the left to the calculation result on the right, i.e. whether the task has been carried out correctly. Each arithmetic compartment has 10 tables.
Material: Plastic Dimensions: 5 x 15 cm, approx. 2.5 cm thick From 3 years
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