Formula 1 Powerpac ALesson 1, SetsLesson 2, Addition Facts through 20Lesson 3, Subtraction Facts through 20Lesson 4, Multiplication facts through 45Lesson 5, Multiplication Facts through 81Lesson 6, Division Facts through 81Formula 1 Powerpac BLesson 1, Place value through millions Lesson 2, Addition with RenamingLesson 3, Subtraction with RenamingLesson 4, Compound MultiplicationLesson 5, Uneven Division - One-Digit DivisorLesson 6, Long Division - Two-Digit DivisorFormula 1 Powerpac CLesson 1,