Problems
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| Stella Number | Problem Title |
|---|---|
| 1000.53 | Stella's Fishpond |
| 1007.11 | The Impossible Path |
| 1007.21 | Trace This Network |
| 1010.41 | Sequences of Squares |
| 1010.42 | More Sequences of Squares |
| 1070.31 | You'll Never Guess |
| 1100.22 | Continue a Numerical Pattern |
| 1160.32 | Multiplication Puzzle |
| 1230.51 | Playing Cards to Identify |
| 1230.61 | Amy, Brenda, Christa, Dana |
| 1230.63 | Maurice’s Video Games |
| 1230.71 | Chemical Conundrum |
| 1370.11 | Gain Versus Loss |
| 1370.21 | Dust Mites |
| 1480.41 | Broken Radical Key |
| 1610.31 | Nasty Numbers |
| 1640.31 | Ballpoint Pen Sale |
| 1730.41 | Need More Money? |
| 2070.82 | Mystery Function |
| 2070.84 | Particle Motion |
| 2260.41 | Two Cubes |
| 2290.21 | Ratio-Difference-Sum-Ratio |
| 2410.12 | Spend or Save? |
| 2410.33 | Battling Percentages |
| 2410.34 | Wendy the Chemist |
| 2500.41 | Milly and Molly Make Muffins. So Do Their Mothers! |
| 2660.11 | Imaginary Roots |
| 3420.71 | Hard Triangle Area |
| 3470.14 | Square with Internal Segments |
| 3550.44 | Walking the Equator |
| 3650.11 | Peanut Butter Pricing |
| 4050.12 | Area External to Two Circles |
| 4200.23 | The Yacht Gemini on the Hudson |