Algebra Tiles™ Class Set Students build geometric models of polynomials, exploring firsthand the concepts related to them. Includes 30 student sets, overhead set, and 40-page Activity Book. Grades 6+ | Ages 11+ SMALL PARTS (1). Not for < 3 yrs. LER 7547 $119.99 Magnetic Algebra Tiles™ Represent and analyze algebraic principles by creating concrete models with these magnetic, write & wipe shapes. Largest piece measures 12 1⁄2 cm x 12 1⁄2 cm. Grades 6+ | Ages 11+ SMALL PARTS (1). Not for < 3 yrs. LER 7641 72 Pieces $12.99 -3A2 + 3A - 5 Algebra Balance Unique balance lets you demonstrate that -1 is less than 0. Weights placed in the outer pans represent negative integers, and those placed in the inner pans represent positive integers, making it possible to demonstrate that (-1) + (+1) = 0. Includes 4 plastic pans, 4 plastic canisters, a set of plastic weights, and Activity Guide. Some assembly required. Grades 6+ | Ages 11+ SMALL PARTS (1). Not for < 3 yrs. LER 7545 $44.99 STEM 192 Expressions and Equations: Middle Grades Algebra Mat h
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