| blue | Unit 9 | Lesson 148 |
| green | Unit 3 | Lesson 167 |
| green | Unit 3 | Lesson 168 |
| green | Unit 3 | Lesson 170 |
| silver | Unit 4 | Lesson 275 |
| bronze | Unit 1 | Lesson 320 |
| bronze | Unit 6 | Lesson 342 |
| bronze | Unit 10 | Lesson 359 |
| bronze | Unit 10 | Lesson 360 |
| bronze | Unit 10 | Lesson 361 |
| gold | Unit 7 | Lesson 392 |
| gold | Unit 7 | Lesson 393 |
| gold | Unit 8 | Lesson 397 |
| gold | Unit 8 | Lesson 399 |
| gold | Unit 10 | Lesson 406 |