Freeflows
All Problems
Prealgebra
Number
Theory
Counting and Probability
Precalculus
Geometry
Algebra
Intermediate Algebra
| Status | Title | Difficulty |
| 1265. Integer Addition Puzzle | Level 4 | |
| 1266. Cube Sum Units Digit | Level 4 | |
| 1267. Residue of Sum Calculation | Level 3 | |
| 1268. Relatively Prime Consecutive Digits | Level 5 | |
| 1269. Toy Cars Multiple Puzzle | Level 4 | |
| 1270. Base 13 Conversion | Level 2 | |
| 1271. Two Digit Integer Mean | Level 4 | |
| 1272. Invertible Integers Count | Level 5 | |
| 1273. Power Remainder by 5 2 | Level 1 | |
| 1274. Three Digit Divisibility | Level 2 | |
| 1275. Mixed Base Subtraction 2 | Level 2 | |
| 1276. Prime Sum Puzzle | Level 2 | |
| 1277. Minimal Integer Set Sum | Level 3 | |
| 1278. Factorial Divisibility Threshold | Level 4 | |
| 1279. Single Digit GCD Count | Level 5 | |
| 1280. Modular Equation Solution 3 | Level 5 | |
| 1281. Modular Inverse Calculation 4 | Level 5 | |
| 1282. Integer Pair Addition Puzzle | Level 5 |