The Book Sale: Represent and Solve Subtraction Problems
Amy Lin
The Book Sale: Represent and Solve Subtraction Problems
Amy Lin
Algebra is a foundational concept in the study of mathematics, and readers will delight in learning the principles of operations and algebraic thinking in a relatable and engaging way. Topics such as adding and subtracting within 20, using algebraic principles to solve equations and word problems, and understanding the relationship between addition and subtraction will give beginning math students a firm grasp on basic math concepts. A school’s book sale sets the stage for subtraction equations, where selling books about animals and toys allows readers to practice subtracting within 20. This volume satisfies CCSS Math Standard 1.OA.A.1. This book should be paired with Helping at the Book Sale (9781477720523) from the Rosen Math Readers Program to provide the alternative point of view on the same topic.
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