A major focus on current mathematics education is "problem solving." But "problem solving" means something very different from "Doing the exercises at the end of the chapter." An explanation of what problem solving is, and how it can be implemented.
Strategies in Teaching Mathematics -Principles of Teaching 2 (KMB)Kris Thel
Solving problems is a practical art, like swimming, or skiing, or playing the piano: you can learn it only by imitation and practice. . . . if you wish to learn swimming you have to go in the water, and if you wish to become a problem solver you have to solve problems.
- Mathematical Discovery George Polya
Strategies in Teaching Mathematics -Principles of Teaching 2 (KMB)Kris Thel
Solving problems is a practical art, like swimming, or skiing, or playing the piano: you can learn it only by imitation and practice. . . . if you wish to learn swimming you have to go in the water, and if you wish to become a problem solver you have to solve problems.
- Mathematical Discovery George Polya
Mathematics is always perceived as a difficult subject. How do teachers change the negative perception? This presentation which I presented to the staff of School of Mathematical Sciences, Universiti Sains Malaysia, shares some ideas on how to make learning Math meaningful and interesting.
Mathematics is always perceived as a difficult subject. How do teachers change the negative perception? This presentation which I presented to the staff of School of Mathematical Sciences, Universiti Sains Malaysia, shares some ideas on how to make learning Math meaningful and interesting.
Problem solving strategies in mathematics and computer scienceUT, San Antonio
This presentation was placed on a course project of reading course in the university of texas, san Antonio. This is a group project and the project lead was Lishu Li
Problem Solving PowerPoint Presentation Content slides include topics such as: teaching problem solving skills, evaluating how you solve problems, understanding the process: how to solve problems, 8 active listening techniques, primary issues for problem solvers, group or individual brainstorming, the problem solving framework, vertical and lateral thinking, adaptors and innovators as problem solvers, collaborative problem solving, leadership and creative work environments, four models of problem solving, SWOT, the 6 C's of decision making, how to's and much more.
One of the recent trends in mathematics teaching is known as a flipped or inverted classroom. I present an overview of what they are; why you'd want to create one; and offer some pointers and problems you might encounter.
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Cheryl Anderson
Family and Preventative Medicine, UC San Diego
and
Peter Newbury
Center for Teaching Development, UC San Diego
teachingmethodsinpublichealth.ucsd.edu
CIRTL Spring 2016 The College Classroom Meeting 5 - Active LearningPeter Newbury
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UC San Diego
and
Tom Holme
Iowa State University
collegeclassroom.ucsd.edu
Center for the Integration of Research, Teaching and Learning (CIRTL) Network - cirtl.net
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Digital Tools and AI for Teaching Learning and Research
Problem Solving in Mathematics Education
1. Problem Solving in Mathematics Education
Jeff Suzuki
Department of Mathematics
Brooklyn College
Brooklyn NY 11210
jeff suzuki@yahoo.com
J. Suzuki (CUNY) Problem Based Learning 1 / 10
2. Problems and Exercises
Mathematics education standards now emphasize problem solving as an important
goal.
J. Suzuki (CUNY) Problem Based Learning 2 / 10
3. Problems and Exercises
Mathematics education standards now emphasize problem solving as an important
goal.
Wait a minute, isn’t that what we’ve been doing with all those things at the end
of each section of a math book?
J. Suzuki (CUNY) Problem Based Learning 2 / 10
4. Problems and Exercises
Mathematics education standards now emphasize problem solving as an important
goal.
Wait a minute, isn’t that what we’ve been doing with all those things at the end
of each section of a math book?
The quick answer:
J. Suzuki (CUNY) Problem Based Learning 2 / 10
5. Problems and Exercises
Mathematics education standards now emphasize problem solving as an important
goal.
Wait a minute, isn’t that what we’ve been doing with all those things at the end
of each section of a math book?
The quick answer: Probably not.
J. Suzuki (CUNY) Problem Based Learning 2 / 10
6. A Lesson on Exponents
Consider the rules of exponents, as presented in a traditional math course.
J. Suzuki (CUNY) Problem Based Learning 3 / 10
7. A Lesson on Exponents
Consider the rules of exponents, as
J. Suzuki (CUNY) Problem Based Learning 3 / 10
8. A Lesson on Exponents
Consider the rules of exponents, as I’ve taught them in the past:
J. Suzuki (CUNY) Problem Based Learning 3 / 10
9. A Lesson on Exponents
Consider the rules of exponents, as I’ve taught them in the past:
Define an
as the product of n as,
J. Suzuki (CUNY) Problem Based Learning 3 / 10
10. A Lesson on Exponents
Consider the rules of exponents, as I’ve taught them in the past:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
J. Suzuki (CUNY) Problem Based Learning 3 / 10
11. A Lesson on Exponents
Consider the rules of exponents, as I’ve taught them in the past:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
J. Suzuki (CUNY) Problem Based Learning 3 / 10
12. A Lesson on Exponents
Consider the rules of exponents, as I’ve taught them in the past:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
Solution: 23
× 22
= (2 × 2 × 2) × (2 × 2) = 25
.
J. Suzuki (CUNY) Problem Based Learning 3 / 10
13. A Lesson on Exponents
Consider the rules of exponents, as I’ve taught them in the past:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
Solution: 23
× 22
= (2 × 2 × 2) × (2 × 2) = 25
.
Generalization: am
an
= am+n
J. Suzuki (CUNY) Problem Based Learning 3 / 10
14. A Lesson on Exponents
Consider the rules of exponents, as I’ve taught them in the past:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
Solution: 23
× 22
= (2 × 2 × 2) × (2 × 2) = 25
.
Generalization: am
an
= am+n
Example: 510
53
= 510+3
.
J. Suzuki (CUNY) Problem Based Learning 3 / 10
15. A Lesson on Exponents
Consider the rules of exponents, as I’ve taught them in the past:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
Solution: 23
× 22
= (2 × 2 × 2) × (2 × 2) = 25
.
Generalization: am
an
= am+n
Example: 510
53
= 510+3
.
Homework: Find 35
32
, x5
x8
, etc.
J. Suzuki (CUNY) Problem Based Learning 3 / 10
16. Following Examples
Once you’ve been shown how to solve am
an
, finding am
an
is a matter of following
an example.
J. Suzuki (CUNY) Problem Based Learning 4 / 10
17. Following Examples
Once you’ve been shown how to solve am
an
, finding am
an
is a matter of following
an example.
When mathematics is presented this way, students are trained to look for
examples where similar questions have been solved, then follow the examples to an
answer. But:
J. Suzuki (CUNY) Problem Based Learning 4 / 10
18. Following Examples
Once you’ve been shown how to solve am
an
, finding am
an
is a matter of following
an example.
When mathematics is presented this way, students are trained to look for
examples where similar questions have been solved, then follow the examples to an
answer. But:
It’s impossible to give examples of every type of question that could appear,
so students will often encounter questions for which they have no examples.
J. Suzuki (CUNY) Problem Based Learning 4 / 10
19. Following Examples
Once you’ve been shown how to solve am
an
, finding am
an
is a matter of following
an example.
When mathematics is presented this way, students are trained to look for
examples where similar questions have been solved, then follow the examples to an
answer. But:
It’s impossible to give examples of every type of question that could appear,
so students will often encounter questions for which they have no examples.
Judging similarity requires experience and sophistication:
J. Suzuki (CUNY) Problem Based Learning 4 / 10
20. Following Examples
Once you’ve been shown how to solve am
an
, finding am
an
is a matter of following
an example.
When mathematics is presented this way, students are trained to look for
examples where similar questions have been solved, then follow the examples to an
answer. But:
It’s impossible to give examples of every type of question that could appear,
so students will often encounter questions for which they have no examples.
Judging similarity requires experience and sophistication: 3x + 5 = 2x and
3x + 5 = x2
are similar . . .
J. Suzuki (CUNY) Problem Based Learning 4 / 10
21. Following Examples
Once you’ve been shown how to solve am
an
, finding am
an
is a matter of following
an example.
When mathematics is presented this way, students are trained to look for
examples where similar questions have been solved, then follow the examples to an
answer. But:
It’s impossible to give examples of every type of question that could appear,
so students will often encounter questions for which they have no examples.
Judging similarity requires experience and sophistication: 3x + 5 = 2x and
3x + 5 = x2
are similar . . . but they’re not solved the same way.
J. Suzuki (CUNY) Problem Based Learning 4 / 10
22. Solving Problems
Instead of being given examples, students can solve problems:
J. Suzuki (CUNY) Problem Based Learning 5 / 10
23. Solving Problems
Instead of being given examples, students can solve problems:
Define an
as the product of n as,
J. Suzuki (CUNY) Problem Based Learning 5 / 10
24. Solving Problems
Instead of being given examples, students can solve problems:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
J. Suzuki (CUNY) Problem Based Learning 5 / 10
25. Solving Problems
Instead of being given examples, students can solve problems:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
J. Suzuki (CUNY) Problem Based Learning 5 / 10
26. Solving Problems
Instead of being given examples, students can solve problems:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
At this point, the focus shifts to the student.
J. Suzuki (CUNY) Problem Based Learning 5 / 10
27. Solving Problems
Instead of being given examples, students can solve problems:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
At this point, the focus shifts to the student.
Because the student hasn’t been shown how to solve 23
22
, this is a real problem.
J. Suzuki (CUNY) Problem Based Learning 5 / 10
28. Solving Problems
Instead of being given examples, students can solve problems:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
At this point, the focus shifts to the student.
Because the student hasn’t been shown how to solve 23
22
, this is a real problem.
But if they understand the concept of exponents, they can solve this easily, and
with some guidance, go on to the problems:
J. Suzuki (CUNY) Problem Based Learning 5 / 10
29. Solving Problems
Instead of being given examples, students can solve problems:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
At this point, the focus shifts to the student.
Because the student hasn’t been shown how to solve 23
22
, this is a real problem.
But if they understand the concept of exponents, they can solve this easily, and
with some guidance, go on to the problems:
Find 58
512
J. Suzuki (CUNY) Problem Based Learning 5 / 10
30. Solving Problems
Instead of being given examples, students can solve problems:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
At this point, the focus shifts to the student.
Because the student hasn’t been shown how to solve 23
22
, this is a real problem.
But if they understand the concept of exponents, they can solve this easily, and
with some guidance, go on to the problems:
Find 58
512
Find (xy3
)2
and (x + 3)2
J. Suzuki (CUNY) Problem Based Learning 5 / 10
31. Solving Problems
Instead of being given examples, students can solve problems:
Define an
as the product of n as,
Examples: 23
= 2 × 2 × 2.
Problem: 23
× 22
?
At this point, the focus shifts to the student.
Because the student hasn’t been shown how to solve 23
22
, this is a real problem.
But if they understand the concept of exponents, they can solve this easily, and
with some guidance, go on to the problems:
Find 58
512
Find (xy3
)2
and (x + 3)2
Find x5
x2
J. Suzuki (CUNY) Problem Based Learning 5 / 10
32. Keys to Incorporating Problem Solving
There are three keys to incorporating problem solving:
J. Suzuki (CUNY) Problem Based Learning 6 / 10
33. Keys to Incorporating Problem Solving
There are three keys to incorporating problem solving:
Practice.
J. Suzuki (CUNY) Problem Based Learning 6 / 10
34. Keys to Incorporating Problem Solving
There are three keys to incorporating problem solving:
Practice.
Patience.
J. Suzuki (CUNY) Problem Based Learning 6 / 10
35. Keys to Incorporating Problem Solving
There are three keys to incorporating problem solving:
Practice.
Patience.
Preparation.
J. Suzuki (CUNY) Problem Based Learning 6 / 10
36. Practice
Problem solving is a skill: you get better at it the more often you do it.
J. Suzuki (CUNY) Problem Based Learning 7 / 10
37. Practice
Problem solving is a skill: you get better at it the more often you do it.
But problem solving is like first impressions: you NEVER get a second chance to
solve a problem for the first time.
J. Suzuki (CUNY) Problem Based Learning 7 / 10
38. Practice
Problem solving is a skill: you get better at it the more often you do it.
But problem solving is like first impressions: you NEVER get a second chance to
solve a problem for the first time. The instant someone shows you how to solve a
problem, the opportunity to solve that problem is gone forever.
J. Suzuki (CUNY) Problem Based Learning 7 / 10
39. Practice
Problem solving is a skill: you get better at it the more often you do it.
But problem solving is like first impressions: you NEVER get a second chance to
solve a problem for the first time. The instant someone shows you how to solve a
problem, the opportunity to solve that problem is gone forever.
This means:
J. Suzuki (CUNY) Problem Based Learning 7 / 10
40. Practice
Problem solving is a skill: you get better at it the more often you do it.
But problem solving is like first impressions: you NEVER get a second chance to
solve a problem for the first time. The instant someone shows you how to solve a
problem, the opportunity to solve that problem is gone forever.
This means:
AVOID giving examples of solved problems.
J. Suzuki (CUNY) Problem Based Learning 7 / 10
41. Practice
Problem solving is a skill: you get better at it the more often you do it.
But problem solving is like first impressions: you NEVER get a second chance to
solve a problem for the first time. The instant someone shows you how to solve a
problem, the opportunity to solve that problem is gone forever.
This means:
AVOID giving examples of solved problems. Instead, emphasize the
underlying concepts.
J. Suzuki (CUNY) Problem Based Learning 7 / 10
42. Practice
Problem solving is a skill: you get better at it the more often you do it.
But problem solving is like first impressions: you NEVER get a second chance to
solve a problem for the first time. The instant someone shows you how to solve a
problem, the opportunity to solve that problem is gone forever.
This means:
AVOID giving examples of solved problems. Instead, emphasize the
underlying concepts.
DISCOURAGE looking up the answer.
J. Suzuki (CUNY) Problem Based Learning 7 / 10
43. Practice
Problem solving is a skill: you get better at it the more often you do it.
But problem solving is like first impressions: you NEVER get a second chance to
solve a problem for the first time. The instant someone shows you how to solve a
problem, the opportunity to solve that problem is gone forever.
This means:
AVOID giving examples of solved problems. Instead, emphasize the
underlying concepts.
DISCOURAGE looking up the answer. This is the age of Google and
MathBFF, and if you don’t show the students “how to solve a problem,”
they’ll look for someone who will.
J. Suzuki (CUNY) Problem Based Learning 7 / 10
44. Practice
Problem solving is a skill: you get better at it the more often you do it.
But problem solving is like first impressions: you NEVER get a second chance to
solve a problem for the first time. The instant someone shows you how to solve a
problem, the opportunity to solve that problem is gone forever.
This means:
AVOID giving examples of solved problems. Instead, emphasize the
underlying concepts.
DISCOURAGE looking up the answer. This is the age of Google and
MathBFF, and if you don’t show the students “how to solve a problem,”
they’ll look for someone who will. Emphasize the once-in-a-lifetime
opportunity to solve a problem.
J. Suzuki (CUNY) Problem Based Learning 7 / 10
45. Patience
Problem solving requires students create solutions . . . but they will probably need
guidance.
J. Suzuki (CUNY) Problem Based Learning 8 / 10
46. Patience
Problem solving requires students create solutions . . . but they will probably need
guidance.
Group work:
J. Suzuki (CUNY) Problem Based Learning 8 / 10
47. Patience
Problem solving requires students create solutions . . . but they will probably need
guidance.
Group work: Real world problems usually require collaboration by hundreds or
thousands of people.
J. Suzuki (CUNY) Problem Based Learning 8 / 10
48. Patience
Problem solving requires students create solutions . . . but they will probably need
guidance.
Group work: Real world problems usually require collaboration by hundreds or
thousands of people.
Time management:
J. Suzuki (CUNY) Problem Based Learning 8 / 10
49. Patience
Problem solving requires students create solutions . . . but they will probably need
guidance.
Group work: Real world problems usually require collaboration by hundreds or
thousands of people.
Time management: You don’t have enough time for a lot of examples and
then problem solving,
J. Suzuki (CUNY) Problem Based Learning 8 / 10
50. Patience
Problem solving requires students create solutions . . . but they will probably need
guidance.
Group work: Real world problems usually require collaboration by hundreds or
thousands of people.
Time management: You don’t have enough time for a lot of examples and
then problem solving, but presenting a lot of examples defeats the problem
solving.
J. Suzuki (CUNY) Problem Based Learning 8 / 10
51. Patience
Problem solving requires students create solutions . . . but they will probably need
guidance.
Group work: Real world problems usually require collaboration by hundreds or
thousands of people.
Time management: You don’t have enough time for a lot of examples and
then problem solving, but presenting a lot of examples defeats the problem
solving.
A flipped/inverted class structure works extremely well for problem based learning:
J. Suzuki (CUNY) Problem Based Learning 8 / 10
52. Patience
Problem solving requires students create solutions . . . but they will probably need
guidance.
Group work: Real world problems usually require collaboration by hundreds or
thousands of people.
Time management: You don’t have enough time for a lot of examples and
then problem solving, but presenting a lot of examples defeats the problem
solving.
A flipped/inverted class structure works extremely well for problem based learning:
students read about/watch videos on basic concepts outside of class, then come
to class to work problems.
J. Suzuki (CUNY) Problem Based Learning 8 / 10
53. Preparation
Given five minutes, most of us could prepare an hour-long lecture on an
introductory math topic (solving linear equations, differentiation, Gauss-Jordan
reduction).
J. Suzuki (CUNY) Problem Based Learning 9 / 10
54. Preparation
Given five minutes, most of us could prepare an hour-long lecture on an
introductory math topic (solving linear equations, differentiation, Gauss-Jordan
reduction).
Classes based around problem solving require significantly more preparation:
J. Suzuki (CUNY) Problem Based Learning 9 / 10
55. Preparation
Given five minutes, most of us could prepare an hour-long lecture on an
introductory math topic (solving linear equations, differentiation, Gauss-Jordan
reduction).
Classes based around problem solving require significantly more preparation:
Know your students:
J. Suzuki (CUNY) Problem Based Learning 9 / 10
56. Preparation
Given five minutes, most of us could prepare an hour-long lecture on an
introductory math topic (solving linear equations, differentiation, Gauss-Jordan
reduction).
Classes based around problem solving require significantly more preparation:
Know your students: Can your students go from the definition of exponents
to finding (xy3
)2
in one set of problems, or will it take several?
J. Suzuki (CUNY) Problem Based Learning 9 / 10
57. Preparation
Given five minutes, most of us could prepare an hour-long lecture on an
introductory math topic (solving linear equations, differentiation, Gauss-Jordan
reduction).
Classes based around problem solving require significantly more preparation:
Know your students: Can your students go from the definition of exponents
to finding (xy3
)2
in one set of problems, or will it take several?
Block the shortcuts:
J. Suzuki (CUNY) Problem Based Learning 9 / 10
58. Preparation
Given five minutes, most of us could prepare an hour-long lecture on an
introductory math topic (solving linear equations, differentiation, Gauss-Jordan
reduction).
Classes based around problem solving require significantly more preparation:
Know your students: Can your students go from the definition of exponents
to finding (xy3
)2
in one set of problems, or will it take several?
Block the shortcuts: Some will already know the rule, so how do you make
this question a problem?
J. Suzuki (CUNY) Problem Based Learning 9 / 10
59. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,”
J. Suzuki (CUNY) Problem Based Learning 10 / 10
60. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
J. Suzuki (CUNY) Problem Based Learning 10 / 10
61. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
OK, technically I just said it, but we’ll ignore the paradox of Epimenides.
J. Suzuki (CUNY) Problem Based Learning 10 / 10
62. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
Problem Based Learning:
J. Suzuki (CUNY) Problem Based Learning 10 / 10
63. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
Problem Based Learning:
Reinforces conceptual understanding:
J. Suzuki (CUNY) Problem Based Learning 10 / 10
64. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
Problem Based Learning:
Reinforces conceptual understanding: If you don’t know what an
means, you
can’t find an
am
;
J. Suzuki (CUNY) Problem Based Learning 10 / 10
65. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
Problem Based Learning:
Reinforces conceptual understanding: If you don’t know what an
means, you
can’t find an
am
; and you shouldn’t: it’s like giving a chainsaw to a toddler.
J. Suzuki (CUNY) Problem Based Learning 10 / 10
66. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
Problem Based Learning:
Reinforces conceptual understanding: If you don’t know what an
means, you
can’t find an
am
; and you shouldn’t: it’s like giving a chainsaw to a toddler.
Trains students to thinking about mathematics the way that mathematicians
do:
J. Suzuki (CUNY) Problem Based Learning 10 / 10
67. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
Problem Based Learning:
Reinforces conceptual understanding: If you don’t know what an
means, you
can’t find an
am
; and you shouldn’t: it’s like giving a chainsaw to a toddler.
Trains students to thinking about mathematics the way that mathematicians
do: “Mathematics is science of necessary consequences” (Peirce).
J. Suzuki (CUNY) Problem Based Learning 10 / 10
68. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
Problem Based Learning:
Reinforces conceptual understanding: If you don’t know what an
means, you
can’t find an
am
; and you shouldn’t: it’s like giving a chainsaw to a toddler.
Trains students to thinking about mathematics the way that mathematicians
do: “Mathematics is science of necessary consequences” (Peirce).
Humanizes mathematics:
J. Suzuki (CUNY) Problem Based Learning 10 / 10
69. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
Problem Based Learning:
Reinforces conceptual understanding: If you don’t know what an
means, you
can’t find an
am
; and you shouldn’t: it’s like giving a chainsaw to a toddler.
Trains students to thinking about mathematics the way that mathematicians
do: “Mathematics is science of necessary consequences” (Peirce).
Humanizes mathematics: Anything that can be solved by following an
example can be done faster, more accurately, and less expensively by a
computer.
J. Suzuki (CUNY) Problem Based Learning 10 / 10
70. Is It Worth It?
“Mathematics is a collection of rules and algorithms to follow,” said no
mathematician ever.
Problem Based Learning:
Reinforces conceptual understanding: If you don’t know what an
means, you
can’t find an
am
; and you shouldn’t: it’s like giving a chainsaw to a toddler.
Trains students to thinking about mathematics the way that mathematicians
do: “Mathematics is science of necessary consequences” (Peirce).
Humanizes mathematics: Anything that can be solved by following an
example can be done faster, more accurately, and less expensively by a
computer. The real lesson of John Henry: Don’t try to beat the machine; try
to transcend the machine.
J. Suzuki (CUNY) Problem Based Learning 10 / 10