by CRITICAL THINKING PRESS
(1)Buy new: $10.99
11 used & new from $9.23
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The Balance Math™ & More! activities sharpen your child's critical thinking skills, computational skills, and develop algebraic reasoning. The first book in the series (Level 1) focuses on addition and subtraction of whole numbers. The spiraling difficulty level is designed to scaffold a child's conceptual understanding of the targeted operations from beginning to advanced. Try one of these intriguing puzzles -- and then try to stop!
