Inequalities

Grades 4 - 8

Comfortable introduction to algebraic notation, finite and infinite sets, and number line notation.  Also develops logic and critical thinking skills.  Algebraic representations of open and closed intervals are solved by selecting cards from a given replacement set.  Introduces variables as well as symbols >,  >,  <, and <.  . Format is  1.5 X 3.5 inch cards that can be manipulated.  Solution cards are 1.125 by 1.25 inches.  Store in hardware drawers. Six problems per exercise; 15 exercises with answers in the entire set.

Price: $15.00

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