Album Home Digital Album: Mathematics Table of ContentsNumbers from 0 to 10Number RodsSandpaper NumbersNumber Rods With NumeralsSpindle BoxesCards and CountersMemory Game of NumbersThe Decimal System Introduction to the Decimal System: BeadsIntroduction to the Decimal System: CardsFormation of NumbersThe Change GameOperations of the Decimal System: AdditionOperations of the Decimal System: SubtractionOperations of the Decimal System: MultiplicationOperations of the Decimal System: DivisionOperations of the Decimal System: Long Division with BowsStamp GameDot GameWord ProblemsContinuation of CountingIntroduction of Teens with BeadsTeen BoardsTeen Boards with BeadsTen Boards with Beads and CardsLinear Counting: 100 and 1000 ChainsSkip CountingMemorization WorkAddition Snake GameAddition Strip BoardAddition Charts III, IV, V, VISubtraction Snake GameSubtraction Strip BoardSubtraction Charts II, IIIMultiplication Bead BarsMultiplication Bead BoardMultiplication Charts III, IV, VUnit Division BoardDivision Charts I and II (Blank)Passage to AbstractionSmall Bead FrameWooden Hierarchy MaterialLarge Bead FrameDivision with Racks and TubesFractionsFractions: Exploration and Operations