Best PRAXIS II 5161 Mathematics Content Knowledge ] Free Online Tutoring. This guide provides updated exam questions based on recent changes to the exam along with similar test questions focused on the real exam content. The exam includes challenging practice questions that are seen on the real exam. The test questions are aligned with the exam to get you exposed to the best preparation to pass your PRAXIS II 5161 Mathematics Content Knowledge. The PRAXIS II 5161 Mathematics Content Knowledge test will give you a good idea of what to expect on the exam day, which will increase your confidence in passing the exam.