| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | add up column of numbers | Eastern countries | Considered common to use an abacus to add up columns of numbers, especially in traditional settings or for practice. | 1 |
| 2 | add up column of numbers | Eastern culture | Commonly done from bottom to top | 1 |
| 3 | add up numbers | Eastern culture | Emphasis on mental calculation and abacus usage for faster and accurate calculation | 1 |
| 4 | add up numbers | Eastern culture | Emphasized as a basic skill for mental math and calculation in educational systems | 1 |