Learn Japanese textbook for Ichinensei (1年生(いちねんせい)) Freshman/1st grader level. This book is ideal for those who have complete 1年生 level and want to test their knowledge. (Think of it like a final year exam).
Although one paragraph of [a top-class collection of problems] is the three-step composition of [standard class -> high class -> top class] One paragraph of [top-class collection-of-problems thoroughness understanding section] is a repetition of [standard class -> high class]., After continuing it several times, there are "review test" and "it is a try to top class" (= a top-class problem) in the end of a chapter. It is recommended especially at the child who wants to advance study gently focusing on "high class" problem. Although it did not necessarily decide that a junior high school entrance examination was carried out, it is suitable also for the child who would like to make only preparations in preparation for the future.