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Prealgebra
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Intermediate Algebra
| Status | Title | Difficulty |
| 1201. Power Remainder by 5 1 | Level 3 | |
| 1202. Smallest Palindromic Multiple | Level 5 | |
| 1203. Modular Remainder Puzzle | Level 5 | |
| 1204. GCD Integer Pairs | Level 5 | |
| 1205. Base 4 Digit Sum | Level 3 | |
| 1206. Sequence Remainder Calculation 2 | Level 5 | |
| 1207. Divisor Relationship Analysis | Level 5 | |
| 1208. Base 4 Multiplication | Level 4 | |
| 1209. Prime Inverse Sum Modulo | Level 5 | |
| 1210. Binary Addition | Level 4 | |
| 1211. Base Conversion Puzzle 3 | Level 5 | |
| 1212. Leap Year Day Calculation | Level 2 | |
| 1213. Superfactorial Units Digit | Level 3 | |
| 1214. Number Sum Difference | Level 5 | |
| 1215. Modular Arithmetic Puzzle | Level 3 | |
| 1216. Alternating Sum Modulo | Level 2 | |
| 1217. LCM Digit Identification | Level 5 | |
| 1218. Perfect Fourth Power | Level 3 | |
| 1219. Product and Ratio Puzzle | Level 3 | |
| 1220. Power Units Digit 2 | Level 2 |