# 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.

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

#### Filter Settings

 Set: AllIntroductory ProblemsProblem Set 1Problem Set 2Problem Set 3Problem Set 4Problem Set 5Problem Set 6Problem Set 7Problem Set 8Problem Set 9Problem Set 10Problem Set 11Problem Set 12Problem Set 13Problem Set 14Problem Set 15Problem Set 16Problem Set 17Problem Set 18Problem Set 99 Course: AllPre-AlgebraAlgebra IGeometryAlgebra/TrigonometryPre-Calculus Math Topic: AllVisualLogicArithmetic: ZArithmetic: Q & RAlgebra PrepAlgebraSymbol-PushingGeometry-InformalGeometry-EuclideanGeometry-AnalyticalTrigonometryPre-CalculusCalculator
Stella NumberProblem Title
1070.23State a Theorem
1255.11Scales
1322.14Chinese Remainders
1331.14Difference of Squares
1560.11Picka Numba
1560.12Leon Cranville's Picka Numba
1650.31Divisibility Theorem (Sum)
1720.11TTT
1720.41Patterned Equations
2070.13The Price of a Dozen Kumquats
2070.21Mrs. McGillicuddy's Age
2070.22Alyssa's Formula
2070.23Babysitting Rates
2070.31Rent-A-Heap
2070.61Big Round Dinosaur Buttons
2070.82Mystery Function
2100.21Symmetric Exponents
2100.52Rational Expressions, Laws of Exponents
2110.12Giant Distribution
2110.34Three Numbers
2120.11Messy Numerical Expression
2120.12Factor!
2122.14Divisibility by 16
2122.41Perfect Square?
2140.11Triple Ratio
2140.71Beakers, Ratio of Acid to Water
2150.21Reciprocal Symmetry
2150.41Adding x to Numerator and Denominator
2150.62Lowest Terms?
2150.72Find the Equivalent
2152.22Catch a Robber and Maximize Your Reward
2162.11An Infinite Continued Fraction
2210.21Inequality
2210.51In-equali-tease
2210.71Point on a Line. Making a Triangle?
2230.11DON'T GUESS!
2230.63Almost Equal Roots
2230.81Cathy the Cat Burglar
2250.11A Nice Rational Equation
2250.21Strange Equation
2260.21A Fourth Degree Equation
2260.41Two Cubes
2290.21Ratio-Difference-Sum-Ratio
2405.24Translation into Algebra
2410.34Wendy the Chemist
2440.93Train Speed
2480.31Dividing A Tenner
2500.11Pet Rocks
2510.11Defined Operation no. 1
2510.21Defined Operation no. 2
2530.11Defined Operation; Find Formula
2530.31Mystery Linear Operation
2530.41Composition with a Defined Operation
2530.52Defined Operation 4; Do Composition
2530.73Strange Salary
2544.11Function as Average
2580.11Big f(x), Find f(6)
2580.41A Seventh Power Equation
2580.51A Hard Functional Equation
2730.33Love Those Logarithms
2730.39Complicated Log Equation
2860.11Integer Sum of Unknown Length!
3305.51Making a Regular Octagon
3650.31Volume and Surface Area of a Cube