Freeflows
All Problems
Prealgebra
Number
Theory
Counting and Probability
Precalculus
Geometry
Algebra
Intermediate Algebra
| Status | Title | Difficulty |
| 401. Weekly Dinner Percentages | Level 3 | |
| 402. Fractional Expression Simplification 2 | Level 4 | |
| 403. Bake Sale Profit Calculation | Level 2 | |
| 404. Proportional Rectangle Scaling | Level 3 | |
| 405. Physician Age Group Graph | Level 5 | |
| 406. Median NFL Kick Return | Level 1 | |
| 407. Number Pattern Extension | Level 2 | |
| 408. Repeating Decimal Conversion 1 | Level 5 | |
| 409. Least Common Multiple | Level 3 | |
| 410. Juice Price Scaling | Level 5 | |
| 411. Triangle Angle Ratio | Level 2 | |
| 412. Integer Condition Calculation | Level 5 | |
| 413. Power of Negative One | Level 1 | |
| 414. GCD and Integer Relationship | Level 5 | |
| 415. Game Show Score Maximization | Level 2 | |
| 416. Doughnut Price Scaling | Level 2 | |
| 417. Decimal Fraction Conversion 1 | Level 2 | |
| 418. Dartboard Area Ratio | Level 4 | |
| 419. Perfect Squares Digit Count | Level 5 | |
| 420. Multiplication by Thousands | Level 2 |