Consolidate learning content and close gaps in 3 steps: 1. Review rules and finally understand them through suitable examples, 2. Practice with numerous exercises in three levels of difficulty for personalized training, 3. Check learning success with one to three tests per topic. This training booklet reliably covers all learning content of the subject Mathematics in 8th grade: calculations with terms, assignments and functions, linear equation systems, roots and quadratic equations, theorems of rays, prisms and cylinders, randomness and probability.