主权项 |
1. A teaching kit, comprising:
a first support that includes:
a plurality of symbol removable components;a plurality of quantity removable components;a plurality of word removable components;a symbol row, a quantity row, and a word row; anda plurality of second columns, each column including a location for one of the symbol removable components, one of the quantity removable components, and one of the word removable components; a second support that includes:
a symbol location, a quantity location, and a word location, each being configured to receive one of the symbol removable components, one of the quantity removable components, and one of the word removable components, respectively;a unit grid having a plurality of cells. |