8 logic puzzles that engage students to develop fact fluency and problem solving using critical thinking skills. Great for increasing mental math abilities. Level 6 includes complex problems using Addition, Subtraction problems and Multiplication beyond 12 x Tables. Students need knowledge of BIMDAS, PEDMAS, BODMAS ect. It would suit approximately 6th grade / year 6, but could be below or above depending on student ability. How Can it be Used?Students can complete tasks in the classroom or fro