MAT115R: Math for Liberal Arts

Also begin watching the Mathemalchemy documentary (you might just want to skim through it at the moment to get the big idea of it). I'll point out some of the highlights as we go along....

Read Rock Groups

Try computing the prime factorizations for some numbers (and draw their trees): or are they prime?

• 64
• 210
• 229

• Make sure that you can draw all of the Complete Graphs up to \(K_8\), using colors to illustrate the divisibility of the number.
• Please read Early Concepts of Number and Counting for next time.

• "...a messenger could be sent to another tribe with the message that they wish to trade 20 baskets of food for 15 pearl necklaces, say. This could have been done by simply indicating the point on his body that corresponded to the correct number of objects." Use the "Body counting" guide on page 3 to answer the following:
  • Which parts of the body would the messenger point to, for 20 and 15?
  • And if it were 33 baskets of food for 11 pearl necklaces?
  • Would you trade left foot little toe baskets of food for right knee pearl necklaces?
  • Do you notice any rhyme or reason to the ordering of the body parts?

• Draw a cartoon of the Baker and the woman buying bread, comparing their tally sticks.
• Draw a knotted string like that of "The Example 3643", but for the number 1294.
• How do the South Africans mentioned count to numbers above 100?