Where can I buy teaching AIDS for the second grade of primary school mathematics (People's Education Edition)
The things sold online are really small. In fact, you can make some teaching AIDS yourself, or take some ready-made things in class or the teacher can make teaching AIDS himself. For example, the length of study, you can take the blackboard to wipe the table and podium; You can take the textbook to measure the blackboard ... (which is very inconvenient to measure) and lead out the ruler to measure.