Curated
12| # | Title | Difficulty | Tags | |
|---|---|---|---|---|
| 218 | Symmetries of a square | Easy | ||
| 219 | Order of an element | Easy | ||
| 220 | Order of a permutation | Easy | ||
| 531 | How big is S₄? | Easy | ||
| 532 | An element of order two | Easy | ||
| 533 | Order of a 4-cycle | Easy | ||
| 534 | Elements of order four | Easy | ||
| 535 | Is subtraction a group operation? | Easy | ||
| 537 | Even or odd? | Easy | ||
| 221 | Elements of order two | Medium | ||
| 536 | The centre of S₃ | Medium | ||
| 538 | Flips of a square | Medium |