Skill power :  grade 3. 
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 - Chicago, Ill. :  Creative Pub,  c1998. 
 - vi, 225 pages :   illustrations ;   28 cm 
<br/><br/><label>ISBN: </label>0762204575 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--Study and teaching (Elementary).<br/>Algebra--Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>QA152.2   / Sk3 1998