Day 11 in Mat310

Today:

• The Test:
  • We've got a test coming up -- Thursday...!
  • You won't hand in your 3.3 problems: one will be featured on the test.

• Return 3.1 problems, 1 and 8.

• Return 3.2 problems #4, 10.
  • Also, 12c

• Congruences
  • section 4.2 summary

  • Problems from section 4.2, p. 68:
    • #1bc
    • #2
    • #4
    • #8b

• Special Divisibility tests
  • section 4.3 summary

  • Problems from section 4.3, p. 73:
    • #1a, d
    • #3
    • #7
    • #18

Links:

• Number theory puzzle in Science News