Follow the Math Gang on their everyday adventures! A fun and easy way to learn maths, accompanied by exercises and clear solutions.
With three stories including solving for proportions by multiplication, solving for proportions by division, and solving for proportions by cross multiplication and proportional equations.
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.
