| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | addition | United States | Taught as a fundamental math concept from an early age | 1 |
| 2 | addition | United States | Taught as a basic math skill in elementary school | 1 |
| 3 | addition | United States | Taught to young children as a basic arithmetic concept | 1 |
| 4 | addition | United States | Taught in early elementary education as a fundamental math concept | 1 |
| 5 | addition | United States | Taught as a fundamental math skill in primary education | 1 |