Basic Facts
Level 2 - Stage 5
Level 2 - Stage 5
Early Additive Part-Whole
Level 3 - Stage 6
Level 3 - Stage 6
Advanced Additive
Level 4 - Stage 7
Level 4 - Stage 7
Advanced Multiplicative Part-Whole
Level 4 - Stage 8
Level 4 - Stage 8
Advanced Proportional Part-Whole