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Beskrivelse
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. Recycling at school sets the stage for practicing the addition of three whole numbers, while also teaching readers to be environmentally conscious. This volume satisfies CCSS Math Standard 1.OA.A.2. This book should be paired with 'Let's Recycle' (9781477721094) from the Rosen Math Readers Program to provide the alternative point of view on the same topic.