The handbook also advises teachers: "It's enough that the children more or less under-stand what you tell them about the above methods. It is not necessary to insist that they master them. (After all this is only the first lesson.) In fact, the less they can do by rote, the better.
教師手冊並且建議老師，「以上這些方法，都只要孩子聽個大概就好，不必要求他們學會（這才第一課）；小孩越是不會越好，這有助於增加他們的想像力及好奇，或是促使他們體會數學的意義！」