1. Remainder Concept
2. Repeated Identity Concept
3. Equal Concept
4. External Transfer (unchanged quantity)
5. Internal Transfer
6. External Transfer (same difference)
7. External Transfer (changed quantity)
8. Pattern Concept
9. Part-whole Concept (Proportions)
10. Simultaneous Concept
11. Gap Concept / Difference Concept
12. If Concept
Taken From: https://www.facebook.com/PSLE2014
2. Repeated Identity Concept
3. Equal Concept
4. External Transfer (unchanged quantity)
5. Internal Transfer
6. External Transfer (same difference)
7. External Transfer (changed quantity)
8. Pattern Concept
9. Part-whole Concept (Proportions)
10. Simultaneous Concept
11. Gap Concept / Difference Concept
12. If Concept
Taken From: https://www.facebook.com/PSLE2014