Follow the Math Gang on their everyday adventures! A fun and easy way to learn maths, accompanied by exercises and clear solutions.
With five stories including the definition of ratios, equivalent ratios, finding equivalent ratios by multiplication, finding equivalent ratios by division, and multi-part ratios.
Praphansarn Publishing is a well-known publisher, established since 1961. With our experiences and history within the Thai Publishing market, we are one of the experts. Praphansarn Publishing publishes both Fiction, Non-fiction, Young Adults and Children books. We have altogether 3 other imprints: Woman Publisher, Rainbow Publisher and Asian Manga. Each imprints specialised in its own speciality.
