Thinking Blocks Ratios teaches children how to model and solve word problems involving proportional reasoning. In this interactive tutorial, children are introduced to 6 problem solving models. The models help children organize information and visualize number relationships. While Thinking Blocks Ratios may be used with any elementary math program, it is ideal for children who are learning model drawing strategies found in math books from Singapore. Thinking Blocks Ratios is best suited for children, ages 10+.