On the Elevator: Add and Subtract Within 20 (Infomax Common Core Math Readers: Level H)

Product Description

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. Early readers will learn the various strategies needed to fluently add within 10 through a relatable story line set in an elevator. This volume satisfies CCSS Math Standard 1.OA.C.6.

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