Second Edition. The student worksheets may be purchased separately so you can teach more than one student at a time or reuse the course for a child in coming years. The student book contains worksheets for math, language and spelling, thinking skills, and occasional science and/or social studies. If you opt for a math curriculum other than the one in this curriculum, you also can purchase the worksheets without math separately. This product is ready for a customer supplied 3-hole punch binder.