| 128004 | Irrational Numbers · Example 6 | Easy | |
| 128005 | Irrational Numbers · Example 7 | Easy | |
| 128006 | Irrational Numbers · Example 8 | Easy | |
| 128007 | Irrational Numbers · Example 9 | Easy | |
| 128008 | Irrational Numbers · Example 10 | Easy | |
| 128009 | Irrational Numbers · Example 11 | Easy | |
| 128010 | Irrational Numbers · Example 12 | Easy | |
| 128011 | Real Numbers · Example 1 | Easy | |
| 128012 | Real Numbers · Example 2 | Easy | |
| 128013 | Real Numbers · Example 3 | Easy | |
| 128014 | Real Numbers · Example 4 | Easy | |
| 128096 | Algebraic Expressions · Example 1 | Easy | |
| 128097 | Algebraic Expressions · Example 2 | Easy | |
| 128098 | Algebraic Expressions · Example 3 | Easy | |
| 128099 | Algebraic Expressions · Example 4 | Easy | |
| 128100 | Algebraic Expressions · Example 5 | Easy | |
| 128101 | Algebraic Expressions · Example 6 | Easy | |
| 128102 | Algebraic Expressions · Example 7 | Easy | |
| 128103 | Algebraic Expressions · Example 8 | Easy | |
| 128104 | Algebraic Expressions · Example 9 | Easy | |
| 128105 | Algebraic Expressions · Example 10 | Easy | |
| 128106 | Algebraic Expressions · Example 11 | Easy | |
| 99319 | Real Numbers: Algebra Essentials · Try It 1 | Easy | |
| 99329 | Real Numbers: Algebra Essentials · Try It 6 | Easy | |
| 99335 | Real Numbers: Algebra Essentials · Try It 9 | Easy | |
| 99337 | Real Numbers: Algebra Essentials · Try It 10 | Easy | |
| 99341 | Real Numbers: Algebra Essentials · Try It 12 | Easy | |
| 99346 | Real Numbers: Algebra Essentials · Exercise 8 | Medium | |
| 99348 | Real Numbers: Algebra Essentials · Exercise 10 | Medium | |
| 99350 | Real Numbers: Algebra Essentials · Exercise 12 | Medium | |
| 99352 | Real Numbers: Algebra Essentials · Exercise 14 | Medium | |
| 99354 | Real Numbers: Algebra Essentials · Exercise 16 | Medium | |
| 99356 | Real Numbers: Algebra Essentials · Exercise 18 | Medium | |
| 99358 | Real Numbers: Algebra Essentials · Exercise 20 | Medium | |
| 99360 | Real Numbers: Algebra Essentials · Exercise 22 | Medium | |
| 99362 | Real Numbers: Algebra Essentials · Exercise 24 | Medium | |
| 99364 | Real Numbers: Algebra Essentials · Exercise 26 | Medium | |
| 99366 | Real Numbers: Algebra Essentials · Exercise 28 | Medium | |
| 99368 | Real Numbers: Algebra Essentials · Exercise 30 | Medium | |
| 99370 | Real Numbers: Algebra Essentials · Exercise 32 | Medium | |
| 99372 | Real Numbers: Algebra Essentials · Exercise 34 | Medium | |
| 99374 | Real Numbers: Algebra Essentials · Exercise 36 | Medium | |
| 99376 | Real Numbers: Algebra Essentials · Exercise 38 | Medium | |
| 99378 | Real Numbers: Algebra Essentials · Exercise 40 | Medium | |
| 99380 | Real Numbers: Algebra Essentials · Exercise 42 | Medium | |
| 99382 | Real Numbers: Algebra Essentials · Exercise 44 | Medium | |
| 99384 | Real Numbers: Algebra Essentials · Exercise 46 | Medium | |
| 99386 | Real Numbers: Algebra Essentials · Exercise 48 | Medium | |
| 99388 | Real Numbers: Algebra Essentials · Exercise 50 | Medium | |
| 99390 | Real Numbers: Algebra Essentials · Exercise 52 | Medium | |