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.

TopicStella Number
Visual Problems1000 – 1170
Logical Deduction1180 – 1290, 3750
Arithmetic1300 – 2022
Symbol Manipulation2030 – 2390, 2745, 4100
Algebra Problems2400 – 2500
Analytic Geometry2750 – 2840, 3680 – 3723
Informal Geometry3000 – 3080
Euclidean Geometry3100 – 3650, 3750 – 3850
Trigonometry4000 – 4340
Probability4400 – 4420

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Stella NumberProblem Title
1000.66Alphabet Line
1090.37Cube Identification
1090.53Two Views, One Object
1090.93The Six-Cubed Thing
1095.11What Lies Opposite?
1190.17Digital Clock Minutes
1192.21Anastasia's Birthday
1200.11Contest Results
1290.11Ice Cream Survey
1322.14Chinese Remainders
1331.12Louie's Age
1368.31What's That Fraction?
1490.12The Number One First Class Happy Bank
1550.27Mr. Adams's Will
1720.41Patterned Equations
2070.22Alyssa's Formula
2070.41Stacking Grapefruit
2100.12Who's The Champion?
2240.11A Butterfly Garden
2440.78Figure Eight Racing
2465.11The Luxury Yacht Gemini
2470.31Jellybean Profits
2480.31Dividing A Tenner
2615.11A Mystery Function
2730.33Love Those Logarithms
2850.51What's The Next Term?
3155.22A Triangular Garden
3340.12Trapezoid Angle Measure
3420.61Two Triangles and a Square
3450.21Tetrahedron Inscribed in a Cube
3470.32Cardboard Box
3475.11The Unknown Edge
3695.11A Square in a Cube
3721.11Symmetric Lines
4050.14From Tangent to Sine
4200.25Sighting an Airplane