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Math Problems
In theory, the Insight method of teaching math can use any problems. In practice, you can't use problems your students remember how to solve. Also, I have developed problems to suit my techniques and to teach concepts I want to teach. Finally, because I teach concepts, the problems can be different.
I regularly add problems to this list.
Reverse Arithmetic
Reverse Arithmetic I start with this type of problem. For example, find 3 numbers which add to 100. This teaches number facility, including numbers and operations as tools. It also segues nicely into the problem of expressing a pattern.
Expressing Patterns
Expressing Patterns Teaches the concept of a variable and develops facility with their use. Also, whatwereyouthinking problems.
Base 10 Operations
 Natural Operations Nothing to do with base10. Investigating the natural, realworld operations that correspond to addition, subtraction, multiplication, and division.
 Packaging Problems Story problems analogous to the base10 operations of addition, subtraction, multiplication, and division. Also used to teach other bases, or mixed bases such as yardsfeetinches.
 Exploring the Representation of Number. An exploration of different methods of representing number.
Algebra problems
These are all story problems. They can be solved without algebra, but they have algebraic equivalence.
 Loox problems have strange animals in a box. For example, A box contains 3 cats, 4 dogs, and one loox. There are 17 eyes in the box. How many eyes does a loox have?
 Stick problems express an algebra equation using sticks. For example x + 3 = 7 would be two sticks, one unknown length and one length 3, that together are as long as a stick of length 7.
 magic problems. I am thinking of a number....
 Silver & Gold
Computer Programming
Computer Programming Someone has built a machine to follow instructions. Be the machine! Be the machinemaster!
Measurement
Proportions, Probabilities, and Fractions
Geometry Foundations
Other
 Frodo Problems Example: 3 is a blodo. Adding 4 to a blodo makes a new blodo. Make as many blodos as you can. These primarily teach number facility, but they also address recursion and set a foundation for understanding the axiomatization of numbers.
 Numbers. Understanding the different types of numbers.
 Tinkering. The process of improving on a first answer or idea.
 Categories Pattern recognition, but moreso describing/defining categories.
 Rules Teaching students to build mathematical rules (being a mathematician)
 A Mathematical "Magic" Trick Probably teaches some basic concept about being careful in calculations
Essays:
Dad: "Son, did you do all of your homework tonight?" 
Sevenyearold son (admonishingly): "Dad, you know I don't have homework on Sunday night" 
Dad (with a twinkle in his eye): "But did you do all of your homework tonight?" 
son: (big smile) "Yes, dad." 
Mathematician interacting with his son. (Logically, if there was no homework, then the son did all of it.)


