| 100102 | Models and Applications · Exercise 4 | Easy | |
| 100103 | Models and Applications · Exercise 5 | Easy | |
| 100104 | Models and Applications · Exercise 6 | Easy | |
| 100105 | Models and Applications · Exercise 7 | Easy | |
| 100106 | Models and Applications · Exercise 8 | Easy | |
| 100107 | Models and Applications · Exercise 9 | Easy | |
| 100108 | Models and Applications · Exercise 10 | Easy | |
| 100110 | Models and Applications · Exercise 12 | Easy | |
| 100111 | Models and Applications · Exercise 13 | Easy | |
| 100112 | Models and Applications · Exercise 14 | Easy | |
| 100113 | Models and Applications · Exercise 15 | Easy | |
| 100114 | Models and Applications · Exercise 16 | Easy | |
| 100117 | Setting Up a Linear Equation to Solve a Real-World Application | Easy | |
| 100121 | Solving a Perimeter Problem | Easy | |
| 100126 | Models and Applications · Exercise 17 | Easy | |
| 100127 | Models and Applications · Exercise 18 | Easy | |
| 100129 | Models and Applications · Exercise 20 | Easy | |
| 100131 | Models and Applications · Exercise 22 | Medium | |
| 100133 | Models and Applications · Exercise 24 | Medium | |
| 100135 | Models and Applications · Exercise 26 | Medium | |
| 100137 | Models and Applications · Exercise 28 | Medium | |
| 100139 | Models and Applications · Exercise 30 | Medium | |
| 100141 | Models and Applications · Exercise 32 | Medium | |
| 100143 | Models and Applications · Exercise 34 | Medium | |
| 100145 | Models and Applications · Exercise 36 | Medium | |
| 100147 | Models and Applications · Exercise 38 | Medium | |
| 100149 | Models and Applications · Exercise 40 | Medium | |
| 100151 | Models and Applications · Exercise 42 | Medium | |
| 100153 | Models and Applications · Exercise 44 | Medium | |
| 100155 | Models and Applications · Exercise 46 | Medium | |
| 100157 | Models and Applications · Exercise 48 | Medium | |
| 100159 | Models and Applications · Exercise 50 | Medium | |
| 100161 | Models and Applications · Exercise 52 | Medium | |
| 100163 | Models and Applications · Exercise 54 | Medium | |
| 100165 | Models and Applications · Exercise 56 | Medium | |
| 100167 | Models and Applications · Exercise 58 | Medium | |
| 100168 | Models and Applications · Exercise 59 | Medium | |
| 100169 | Models and Applications · Exercise 60 | Medium | |
| 100171 | Models and Applications · Exercise 62 | Medium | |
| 100173 | Models and Applications · Exercise 64 | Medium | |
| 100175 | Models and Applications · Exercise 66 | Medium | |
| 100177 | Models and Applications · Exercise 68 | Medium | |
| 100179 | Models and Applications · Exercise 70 | Medium | |
| 100368 | Solve a Polynomial by Grouping | Easy | |
| 100382 | Other Types of Equations · Exercise 2 | Easy | |
| 100384 | Other Types of Equations · Exercise 4 | Easy | |
| 100386 | Other Types of Equations · Exercise 6 | Medium | |
| 100388 | Other Types of Equations · Exercise 8 | Medium | |
| 100390 | Other Types of Equations · Exercise 10 | Medium | |
| 100392 | Other Types of Equations · Exercise 12 | Medium | |