Props: blackboard, eraser two, chalk several. Step 1: Write the phonetic symbols that need to be examined on the blackboard, in order, once on the left side and once on the right side. Step 2: Ask three students to play this game. Step 3: One of the three students read the phonetic symbols, and the other two students erase the phonetic symbols written on the blackboard after hearing the phonetic symbols. The students who erase the speed of hearing the phonetic symbols quickly score one point, and the game will be played until all the phonetic symbols are erased. Step 4: Ask another three students to play the game according to the above steps. Step 5: At the end of the game, give small prizes to all the winners.