Brenda Opie

Addition, Subtraction, Place Value, Other Numeration Systems (Kids' Stuff)

Measurement, Fractions, Probabilty, and Logical Thinking (Masterminds Riddle Math)

Whole Numbers, Addition, Subtraction, Multiplication, and Division (Masterminds Riddle Math)

Basic Learning Series Multiplication & Division, Grades 3-4 (Basic Learing Series Basic Learning)

Masterminds Riddle Math for Middle Grades: Skills Boosters for the Reluctant Math Student (Masterminds (Paperback))

Masterminds Riddle Math for Middle Grades: Pre-Algebra (Kids' Stuff)

Effective Language Arts Techniques for Middle Grades (Kids' Stuff)

Masterminds Riddle Math for Middle Grades: Multiplication and Division (Kids' Stuff)

Masterminds Riddle Math for Middle Grades: Decimals, Percentages, Metric System, and Consumer Math (Kids' Stuff)

Masterminds Riddle Math for Middle Grades: Fractions, Ratio, Probability, and Standard Measurement (Kids' Stuff)

Masterminds Riddle Math for Middle Grades: Geometry and Graphing (Kids' Stuff)