Recognizing that children's understanding of number is the main focus of math instruction in the primary grades, these lessons build on arithmetic concepts and skills to develop children's algebraic thinking. Manipulative materials, problem-solving investigations, games, and real-world and imaginary contexts support arithmetic learning while introducing ideas basic to algebra, including patterns, equivalence, and graphing.

שם הספר
This book is about time
Brown Paper School book: Math for Smarty Pants
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