| red | Unit 3 | Lesson 11 |
| yellow | Unit 7 | Lesson 79 |
| yellow | Unit 7 | Lesson 80 |
| yellow | Unit 7 | Lesson 81 |
| green | Unit 5 | Lesson 176 |
| green | Unit 5 | Lesson 177 |
| orange | Unit 8 | Lesson 244 |
| silver | Unit 5 | Lesson 279 |
| silver | Unit 5 | Lesson 281 |
| silver | Unit 6 | Lesson 282 |
| gold | Unit 9 | Lesson 401 |