The Recipe That Wouldn't Work: A Math Adventure About Fractions, Ratios and the Perfect Mix (Paperback) (ISBN-13: 9798174826441)

A trusted cupcake recipe should have made the school bake sale easy. Instead, the first tray collapses - and the numbers do not agree. Riya, Aarav, Kabir and Meera follow a trail of fractions, ratios, measuring cups, batch sizes and a copied spreadsheet to discover why a recipe that worked before suddenly stopped working.

The Recipe That Wouldn't Work turns mathematical reasoning into a fast-moving mystery. Readers learn to compare quantities, scale recipes, preserve ratios, test explanations and catch errors without losing the fun of the story.