In the early stages, there may be no symptoms associated with hip impingement or symptoms may be mild or vague. 1  Some typical symptoms include: 2  Stiffness in the thigh, hip, or groin. 3  The inability to flex the hip beyond a right angle.
The framework of Singapore Math is developed around the idea that learning to problem-solve and develop mathematical thinking are the key factors in being successful in math.
Singapore Math supplementary material deepens mastery of core concepts. Most of our supplementary titles complement the Primary Mathematics series, but Speed Maths Strategies and Math Sprints can be used with nearly any curriculum or as standalone workbooks to develop problem solving and mental math skills.