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
1000.93The Eight Queens Puzzle
1020.42Overlapping Squares
1020.51Manhole Covers
1040.11Ten Peach Trees
1040.21The Wigglesworth Apple Trees
1040.31Moving a Circle
1060.11Disappearing Toothpick Squares
1070.14Beetle and Rock
1110.61Security Guards
1140.11Two Pails and a Duck
1230.11Baseballs and Grapefruit
1230.21The Gardner, the Baker, and the Fisher
1230.33Four Athletes
1230.41Hot Potato
1307.11Consecutive Integers Sum
1310.41Dartboard with a Black Hole
1480.11Repeating Digits in Addition
1510.21Pamela Gore
1510.52Totem Pole
1550.11Shelley, Veronica, Christy, and Ruth
1550.12Malaz, Ron, Debra, and Sabrina
1550.24Sibyl Bibble
2070.12Formula for Apple Fritters
2100.21Symmetric Exponents
2210.11Fraction Inequality
2260.11Huge Difference of Squares
2410.23Igor's Foul Shots
2452.12Doctors and Lawyers Play Dodgeball
2500.11Pet Rocks
2500.21Finding Sides of a Triangle
2510.11Defined Operation no. 1
3470.12Radio Antenna
3470.21Distance in flight