| 100186 | Complex Numbers · Exercise 6 | Easy | |
| 100187 | Complex Numbers · Exercise 7 | Easy | |
| 100188 | Complex Numbers · Exercise 8 | Easy | |
| 100190 | Complex Numbers · Exercise 9 | Easy | |
| 100191 | Complex Numbers · Exercise 10 | Easy | |
| 100192 | Complex Numbers · Exercise 11 | Easy | |
| 100193 | Complex Numbers · Exercise 12 | Easy | |
| 100194 | Complex Numbers · Exercise 13 | Easy | |
| 100195 | Complex Numbers · Exercise 14 | Easy | |
| 100196 | Complex Numbers · Exercise 15 | Easy | |
| 100197 | Complex Numbers · Exercise 16 | Easy | |
| 100198 | Complex Numbers · Exercise 17 | Easy | |
| 100199 | Complex Numbers · Exercise 18 | Easy | |
| 100200 | Complex Numbers · Exercise 19 | Easy | |
| 100203 | Plotting a Complex Number on the Complex Plane | Easy | |
| 100204 | Complex Numbers · Try It 2 | Easy | |
| 100217 | Complex Numbers · Exercise 21 | Easy | |
| 100219 | Complex Numbers · Exercise 23 | Easy | |
| 107126 | Substituting a Complex Number into a Polynomial Function | Easy | |
| 125733 | Use the Complex Number System · Example 6 | Easy | |
| 125745 | Use the Complex Number System · Example 10 | Easy | |
| 125748 | Use the Complex Number System · Example 11 | Easy | |
| 125757 | Use the Complex Number System · Example 14 | Easy | |
| 125761 | Use the Complex Number System · Exercise 2 | Easy | |
| 125763 | Use the Complex Number System · Exercise 4 | Easy | |
| 125765 | Use the Complex Number System · Exercise 6 | Easy | |
| 125767 | Use the Complex Number System · Exercise 8 | Easy | |
| 125769 | Use the Complex Number System · Exercise 10 | Easy | |
| 125771 | Use the Complex Number System · Exercise 12 | Easy | |
| 125773 | Use the Complex Number System · Exercise 14 | Easy | |
| 125775 | Use the Complex Number System · Exercise 16 | Easy | |
| 125777 | Use the Complex Number System · Exercise 18 | Easy | |
| 125779 | Use the Complex Number System · Exercise 20 | Easy | |
| 125781 | Use the Complex Number System · Exercise 22 | Easy | |
| 125783 | Use the Complex Number System · Exercise 24 | Easy | |
| 125785 | Use the Complex Number System · Exercise 26 | Easy | |
| 125787 | Use the Complex Number System · Exercise 28 | Easy | |
| 125789 | Use the Complex Number System · Exercise 30 | Easy | |
| 125791 | Use the Complex Number System · Exercise 32 | Easy | |
| 125793 | Use the Complex Number System · Exercise 34 | Easy | |
| 125795 | Use the Complex Number System · Exercise 36 | Easy | |
| 125797 | Use the Complex Number System · Exercise 38 | Easy | |
| 125799 | Use the Complex Number System · Exercise 40 | Easy | |
| 125801 | Use the Complex Number System · Exercise 42 | Easy | |
| 125803 | Use the Complex Number System · Exercise 44 | Easy | |
| 125805 | Use the Complex Number System · Exercise 46 | Easy | |
| 125807 | Use the Complex Number System · Exercise 48 | Easy | |
| 125809 | Use the Complex Number System · Exercise 50 | Easy | |
| 125811 | Use the Complex Number System · Exercise 52 | Easy | |
| 125813 | Use the Complex Number System · Exercise 54 | Easy | |