A family wants to share a pizza, but who gets how much? And how do they know? The answer is mathematical equations! Mathematical equations can be applied to food measurement, the human body, and even outer space! Students will answer different questions on mathematical equations in the book Comenzó con una pizza (It Started With Pizza). Used in the classroom or at home, this Spanish text includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills while they are engaged in reading high-interest content.