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
1070.43Park Run
1100.52The Flu
1100.71Martha the Grocer and her Two-Pan Scale
1140.11Two Pails and a Duck
1160.32Multiplication Puzzle
1170.21Money Bag
1170.42Can't Change a Dollar Bill
1180.64Paper Thickness
1190.11Charlize's Age
1190.12Light Year
1190.14Running for President
1230.65Identify the card
1300.11Mystery Number
1307.12Four Consecutive Integers
1310.11Evens Minus Odds
1310.31Resupplying the International Space Station
1310.41Dartboard with a Black Hole
1310.61Never 100
1334.11Square and Cube
1340.52Pocket Change
1368.25Egyptian Fractions Intro
1410.11How Many Digits?
1430.11The Mean 9's
1460.21Target Products
1490.16Buying Sand
1530.21Choir Risers
1530.32Basil's Age
1530.34Paul's Cheese
1530.36Lake Erie
1550.36Splitting up Eighty-Eight
1600.13A Prime Number
1600.21Even Numbers and Primes
1600.41Primes Conjecture
1610.12Primes in Product
1640.41Find the Number!
1650.12Jasper's Marbles
1650.21Dorothy and the Eggs
1680.11Factorial Perfect Squares?
1720.51Maximum Product
2050.41Six Nine's Make A Hundred
2121.11Unlikely bandanas
2405.12Pickanumba 1
2460.11Angela's Age
2470.31Jellybean Profits
2480.51Trading Marbles
2850.41A Recursive Sequence
3405.31Pumpkin Patch
3415.11The Square Community Garden