Show many questions on the textbook, let students read by themselves(Read in groups)Read these questions one by oneAnswer them in pairs(Understand and answer)Write these questions by themselvesStep3: PracticePlay a game between group1 and group2( Answer questions and climb the ladder)1.A student asks in group1,the other in group 2 answer. If you answer correctly, you’ll climb up the step)2.The teacher shows some questions, the students understand and answer quickly. If you answer correctly and quickly, you’ll climb up the step3.The teacher shows a question ,a student from group1 and group2 answers it. If you write correctly , you’