| red | Unit 2 | Lesson 5 |
| red | Unit 10 | Lesson 40 |
| red | Unit 10 | Lesson 41 |
| yellow | Unit 1 | Lesson 53 |
| yellow | Unit 11 | Lesson 97 |
| yellow | Unit 11 | Lesson 98 |
| yellow | Unit 11 | Lesson 99 |
| yellow | Unit 11 | Lesson 100 |
| blue | Unit 1 | Lesson 109 |
| blue | Unit 5 | Lesson 132 |
| green | Unit 2 | Lesson 165 |
| green | Unit 7 | Lesson 185 |
| orange | Unit 9 | Lesson 247 |
| silver | Unit 8 | Lesson 295 |