Real-life situations and relatable narratives guide math students through the fundamentals of algebra, which is an essential part of second-grade math. Readers will learn the skills needed to fluently add and subtract, while also building a foundation for the more complex skills that will be needed at higher levels of education. Engaging visuals complement high-interest topics, while visually appealing designs help to make the math concrete. Readers will join Cody as she practices subtraction while volunteering at her town's race. This volume meets CCSS Math Standard 2.OA.B.2.