| 130344 | Two Basic Rules of Probability · Example 3 | Easy | |
| 130346 | Two Basic Rules of Probability · Example 5 | Easy | |
| 131058 | Two Basic Rules of Probability · Try It 2 | Easy | |
| 131060 | Two Basic Rules of Probability · Example 11 | Easy | |
| 131062 | Two Basic Rules of Probability · Example 13 | Easy | |
| 106196 | Sequences and Their Notations · Exercise 1 | Easy | |
| 106197 | Sequences and Their Notations · Exercise 2 | Easy | |
| 106198 | Find a formula for the general term (nth term) of a sequence. | Easy | |
| 106205 | Writing an Explicit Formula for the nth Term of a Sequence | Easy | |
| 106209 | Writing the Terms of a Sequence Defined by a Recursive Formula | Easy | |
| 106211 | Writing the Terms of a Sequence Defined by a Recursive Formula | Easy | |
| 106216 | Sequences and Their Notations · Exercise 6 | Easy | |
| 106218 | Sequences and Their Notations · Exercise 8 | Easy | |
| 106219 | Sequences and Their Notations · Exercise 9 | Easy | |
| 106282 | Arithmetic Sequences · Exercise 1 | Easy | |
| 106283 | Arithmetic Sequences · Exercise 2 | Easy | |
| 106285 | Arithmetic Sequences · Exercise 3 | Easy | |
| 106287 | Arithmetic Sequences · Exercise 4 | Easy | |
| 106288 | Arithmetic Sequences · Exercise 5 | Easy | |
| 106289 | Finding Common Differences | Easy | |
| 106305 | Arithmetic Sequences · Exercise 7 | Easy | |
| 106307 | Arithmetic Sequences · Exercise 9 | Easy | |
| 106377 | Geometric Sequences · Exercise 1 | Easy | |
| 106378 | Geometric Sequences · Exercise 2 | Easy | |
| 106380 | Geometric Sequences · Exercise 3 | Easy | |
| 106382 | Geometric Sequences · Exercise 4 | Easy | |
| 106383 | Geometric Sequences · Exercise 5 | Easy | |
| 106393 | Writing an Explicit Formula for the n th Term of a Geometric Sequence | Easy | |
| 106398 | Geometric Sequences · Exercise 7 | Easy | |
| 106400 | Geometric Sequences · Exercise 9 | Easy | |
| 106456 | Series and Their Notations · Exercise 1 | Easy | |
| 106457 | Series and Their Notations · Exercise 2 | Easy | |
| 106459 | Series and Their Notations · Exercise 3 | Easy | |
| 106460 | Series and Their Notations · Exercise 4 | Easy | |
| 106461 | Series and Their Notations · Exercise 5 | Easy | |
| 106480 | Finding an Equivalent Fraction for a Repeating Decimal | Easy | |
| 106487 | Series and Their Notations · Exercise 7 | Easy | |
| 106489 | Series and Their Notations · Exercise 9 | Easy | |
| 106690 | Probability · Exercise 2 | Easy | |
| 106704 | Probability · Exercise 4 | Easy | |
| 106706 | Probability · Exercise 6 | Easy | |
| 111231 | Averages and Probability · Example 4 | Easy | |
| 111234 | Averages and Probability · Example 5 | Easy | |
| 111237 | Averages and Probability · Example 6 | Easy | |
| 111240 | Averages and Probability · Example 7 | Easy | |
| 111250 | Averages and Probability · Exercise 2 | Easy | |
| 111252 | Averages and Probability · Exercise 4 | Easy | |
| 111254 | Averages and Probability · Exercise 6 | Easy | |
| 111256 | Averages and Probability · Exercise 8 | Easy | |
| 111258 | Averages and Probability · Exercise 10 | Easy | |