1995 Masterminds Riddle Math Series -- Decimals, Percentages, Metric System, and Consumer Math: Reproducible Skill Builders and Higher Order Thinking Activities Based on NCTM Standards for Middle Grades (P) by Brenda Opie, Lory Jackson, & Douglas McAvinn ***IP 200-1 ***ISBN-13: 9780865303010 ***Condition: Good Used ***90 Pages @math15.2.1>math.sup