| 11282 | Sam bought a heavy safe with a combination lock | Easy | GSM8K | |
| 14098 | At a party, there are 400 students, a combination of poets, singers… | Easy | GSM8K | |
| 15013 | Carlton wears an assortment of sweater vests and button-up shirts | Easy | GSM8K | |
| 17311 | For a wedding, chairs were arranged in 7 rows with 12 chairs… | Easy | GSM8K | |
| 106548 | Solve counting problems using the addition principle. | Easy | OpenStax | |
| 106552 | Counting Principles · Example 2 | Easy | OpenStax | |
| 106565 | Finding the Number of Permutations Using the Formula | Easy | OpenStax | |
| 106568 | Finding the Number of Combinations Using the Formula | Easy | OpenStax | |
| 106570 | Finding the Number of Subsets of a Set | Easy | OpenStax | |
| 106572 | Finding the Number of Permutations of n Non-Distinct Objects | Easy | OpenStax | |
| 106574 | Counting Principles · Exercise 8 | Easy | OpenStax | |
| 106576 | Counting Principles · Exercise 10 | Easy | OpenStax | |
| 106578 | Counting Principles · Exercise 12 | Easy | OpenStax | |
| 128291 | The Multiplication Rule for Counting · Example 2 | Easy | OpenStax | |
| 128292 | The Multiplication Rule for Counting · Example 3 | Easy | OpenStax | |
| 128293 | Permutations · Example 1 | Easy | OpenStax | |
| 128294 | Permutations · Example 2 | Easy | OpenStax | |
| 128295 | Permutations · Example 3 | Easy | OpenStax | |
| 128296 | Permutations · Example 4 | Easy | OpenStax | |
| 128297 | Combinations · Example 1 | Easy | OpenStax | |
| 128298 | Combinations · Example 2 | Easy | OpenStax | |
| 128299 | Combinations · Example 3 | Easy | OpenStax | |
| 128300 | Combinations · Example 4 | Easy | OpenStax | |
| 128312 | Probability with Permutations and Combinations · Example 1 | Easy | OpenStax | |
| 128313 | Probability with Permutations and Combinations · Example 2 | Easy | OpenStax | |
| 106558 | Counting Principles · Try It 1 | Easy | OpenStax | |
| 106560 | Counting Principles · Try It 2 | Easy | OpenStax | |
| 106562 | Counting Principles · Try It 3 | Easy | OpenStax | |
| 106563 | Counting Principles · Try It 4 | Easy | OpenStax | |
| 106564 | Counting Principles · Try It 5 | Easy | OpenStax | |
| 106566 | Counting Principles · Try It 6 | Easy | OpenStax | |
| 106567 | Counting Principles · Try It 7 | Easy | OpenStax | |
| 106569 | Counting Principles · Try It 8 | Easy | OpenStax | |
| 106571 | Counting Principles · Try It 9 | Easy | OpenStax | |
| 106573 | Counting Principles · Try It 10 | Easy | OpenStax | |
| 106549 | Counting Principles · Exercise 1 | Easy | OpenStax | |
| 106550 | Counting Principles · Exercise 2 | Easy | OpenStax | |
| 106551 | Counting Principles · Exercise 3 | Easy | OpenStax | |
| 106553 | Counting Principles · Exercise 4 | Easy | OpenStax | |
| 106554 | Counting Principles · Exercise 5 | Easy | OpenStax | |
| 106555 | Counting Principles · Exercise 6 | Easy | OpenStax | |
| 106556 | Counting Principles · Exercise 7 | Easy | OpenStax | |
| 106557 | Using the Addition Principle | Easy | OpenStax | |
| 106559 | Using the Multiplication Principle | Easy | OpenStax | |
| 106561 | Finding the Number of Permutations Using the Multiplication Principle | Easy | OpenStax | |
| 106575 | Counting Principles · Exercise 9 | Easy | OpenStax | |
| 106577 | Counting Principles · Exercise 11 | Easy | OpenStax | |
| 128290 | The Multiplication Rule for Counting · Example 1 | Easy | OpenStax | |