LARGE BEAD FRAMES
…large bead frame, bearing the same characteristics as the small frame:
…space and change of frame color to separate the classes,
…10 beads of respective hierarchic colors on each row.
…wooden hierarchic materials
Slide one green bead to the right and isolate the unit cube. This green bead has the same value as this cube. What was the value of this cube? ..unit of what class? the simple class. Every green bead on this row has the value of one unit. In the same way identify each row of beads using the hierarchic materials.
Isolate a bead and ask the child to identify the equivalent material and ask the child to isolate the corresponding bead.