| yellow | Unit 3 | Lesson 62 |
| yellow | Unit 9 | Lesson 90 |
| blue | Unit 8 | Lesson 144 |
| green | Unit 3 | Lesson 168 |
| green | Unit 3 | Lesson 169 |
| green | Unit 3 | Lesson 170 |
| orange | Unit 9 | Lesson 246 |
| silver | Unit 10 | Lesson 303 |
| silver | Unit 12 | Lesson 312 |
| bronze | Unit 9 | Lesson 356 |
| gold | Unit 7 | Lesson 392 |
| gold | Unit 11 | Lesson 411 |