Problems
Here's a basic chart showing what's where in this long list of problems. There are two fully detailed lists in the User Guide: SDS Topics in Alphabetical Order and SDS Topics in Numerical Order.
| Topic | Stella Number |
|---|---|
| Visual Problems | 1000 – 1170 |
| Logical Deduction | 1180 – 1290, 3750 |
| Arithmetic | 1300 – 2022 |
| Symbol Manipulation | 2030 – 2390, 2745, 4100 |
| Algebra Problems | 2400 – 2500 |
| Analytic Geometry | 2750 – 2840, 3680 – 3723 |
| Informal Geometry | 3000 – 3080 |
| Euclidean Geometry | 3100 – 3650, 3750 – 3850 |
| Trigonometry | 4000 – 4340 |
| Probability | 4400 – 4420 |
Filter Settings
| Stella Number | Problem Title |
|---|---|
| 1070.23 | State a Theorem |
| 1255.11 | Scales |
| 1322.14 | Chinese Remainders |
| 1331.14 | Difference of Squares |
| 1332.11 | Whole Number Radicals |
| 1560.11 | Picka Numba |
| 1560.12 | Leon Cranville's Picka Numba |
| 1650.31 | Divisibility Theorem (Sum) |
| 1720.11 | TTT |
| 1720.41 | Patterned Equations |
| 2070.13 | The Price of a Dozen Kumquats |
| 2070.21 | Mrs. McGillicuddy's Age |
| 2070.22 | Alyssa's Formula |
| 2070.23 | Babysitting Rates |
| 2070.31 | Rent-A-Heap |
| 2070.61 | Big Round Dinosaur Buttons |
| 2070.82 | Mystery Function |
| 2100.21 | Symmetric Exponents |
| 2100.52 | Rational Expressions, Laws of Exponents |
| 2110.12 | Giant Distribution |
| 2110.34 | Three Numbers |
| 2120.11 | Messy Numerical Expression |
| 2120.12 | Factor! |
| 2122.14 | Divisibility by 16 |
| 2122.41 | Perfect Square? |
| 2140.11 | Triple Ratio |
| 2140.71 | Beakers, Ratio of Acid to Water |
| 2150.21 | Reciprocal Symmetry |
| 2150.41 | Adding x to Numerator and Denominator |
| 2150.62 | Lowest Terms? |
| 2150.72 | Find the Equivalent |
| 2152.22 | Catch a Robber and Maximize Your Reward |
| 2162.11 | An Infinite Continued Fraction |
| 2210.21 | Inequality |
| 2210.51 | In-equali-tease |
| 2210.71 | Point on a Line. Making a Triangle? |
| 2230.11 | DON'T GUESS! |
| 2230.63 | Almost Equal Roots |
| 2230.81 | Cathy the Cat Burglar |
| 2250.11 | A Nice Rational Equation |
| 2250.21 | Strange Equation |
| 2260.21 | A Fourth Degree Equation |
| 2260.41 | Two Cubes |
| 2290.21 | Ratio-Difference-Sum-Ratio |
| 2405.24 | Translation into Algebra |
| 2410.34 | Wendy the Chemist |
| 2440.93 | Train Speed |
| 2480.31 | Dividing A Tenner |
| 2500.11 | Pet Rocks |
| 2510.11 | Defined Operation no. 1 |
| 2510.21 | Defined Operation no. 2 |
| 2530.11 | Defined Operation; Find Formula |
| 2530.31 | Mystery Linear Operation |
| 2530.41 | Composition with a Defined Operation |
| 2530.52 | Defined Operation 4; Do Composition |
| 2530.73 | Strange Salary |
| 2544.11 | Function as Average |
| 2580.11 | Big f(x), Find f(6) |
| 2580.41 | A Seventh Power Equation |
| 2580.51 | A Hard Functional Equation |
| 2730.33 | Love Those Logarithms |
| 2730.39 | Complicated Log Equation |
| 2860.11 | Integer Sum of Unknown Length! |
| 3305.51 | Making a Regular Octagon |
| 3650.31 | Volume and Surface Area of a Cube |