Review of additive to delete. The hanthotniyom factor by catering students together discussHow to find out the answer to each problem that should do, and then shows how to find the answer.
Review of addition, subtraction, multiplication and division problems by establishing places for students to discuss how to find the answer to the question of what to do. Then shows how to find the answer
Review of addition subtraction multiplication division decimal. The problem for students together to discuss the way of solving find answers for each item that should do. It shows how to find an answer.