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.
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