Freeflows
All Problems
Prealgebra
Number
Theory
Counting and Probability
Precalculus
Geometry
Algebra
Intermediate Algebra
| Status | Title | Difficulty |
| 481. Algebraic Equation Solving 3 | Level 4 | |
| 482. Right Triangle Area 2 | Level 2 | |
| 483. Simple Addition | Level 2 | |
| 484. Missing Test Score Sum | Level 3 | |
| 485. Currency Combination Count | Level 4 | |
| 486. Probability Range Calculation | Level 4 | |
| 487. Positive Integer Count | Level 2 | |
| 488. Set Quotient Maximization | Level 4 | |
| 489. Set Mean and Member | Level 5 | |
| 490. Flagpole Shadow Length 1 | Level 3 | |
| 491. Map Distance Conversion 2 | Level 2 | |
| 492. Multiple of Six Constraints | Level 5 | |
| 493. Toothpaste Cost Comparison | Level 5 | |
| 494. Division vs Subtraction | Level 1 | |
| 495. Algebraic Equality Solution | Level 2 | |
| 496. Rhombus Perimeter Calculation | Level 5 | |
| 497. Largest Factor Discovery | Level 3 | |
| 498. Archery Class Size Puzzle | Level 3 | |
| 499. Division Calculation | Level 1 | |
| 500. Weather Dependent Number Change | Level 5 |