It compares
The child weighs separate plates on scales and compares their weight.
Thus he puts them on different bowls of scales; the child weighs plates by means of weights.
It compares the weight of separate plates.
If can, it writes down their weight; the child puts on scales at the same time some plates; the child tries to counterbalance a certain number of plates of one series plates of other series.
Materials for distinction of noise and sounds The rustling boxes Material.
It consists of two boxes on boxes in everyone.
.Похожие статьи
