"A History of Math Education" joke
Saw this one on a professor's door:
The evolution of mathematics education
during the last 30 years.
1960's
A peasant sells a bag of potatoes for $10. His costs amount to 4/5 of his
selling price. What is his profit?
1970's
A farmer sells a bag of potatoes for $10. His costs amount to 4/5 of his
selling price, i.e. $8. What is his profit?
1970's (New Math)
A farmer exchanges a set P of potatoes with a set M of money. The cardinality
of the set M is equal to $10 and each element of M is worth $1. Draw 10 big
dots representing the elements of M.
The set C of production costs is comprised of 2 big dots less than the set M.
Represent C as a subset of M and give the answer to the question: What is the
cardinality of the set of profits? (Draw everything in red).
1980's
A farmer sells a bag of potatoes for $10. His production costs are $8 and his
profit is $2. Underline the word "potatoes" and discuss with your classmates.
1990's
A kapitalist pigg undjustlee akires $2 on a sak of patatos. Analiz this tekst
and sertch for erors in speling, contens, grandmar and ponctuassion, and
than ekspress your vioos regardeng this metid of geting ritch.
Author unknown
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Person 2: Who's there?
Person 1: Cows go.
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