| yellow | Unit 6 | Lesson 74 |
| yellow | Unit 6 | Lesson 76 |
| yellow | Unit 6 | Lesson 77 |
| yellow | Unit 6 | Lesson 78 |
| blue | Unit 8 | Lesson 141 |
| blue | Unit 8 | Lesson 142 |
| blue | Unit 8 | Lesson 145 |
| blue | Unit 9 | Lesson 146 |
| blue | Unit 9 | Lesson 147 |
| green | Unit 4 | Lesson 172 |
| green | Unit 10 | Lesson 201 |
| orange | Unit 10 | Lesson 249 |
| silver | Unit 7 | Lesson 287 |
| silver | Unit 7 | Lesson 288 |
| bronze | Unit 1 | Lesson 314 |
| bronze | Unit 1 | Lesson 316 |
| bronze | Unit 4 | Lesson 333 |
| bronze | Unit 4 | Lesson 334 |
| gold | Unit 7 | Lesson 394 |