Wednesday, October 24, 2007

Todays POD was this:Given that 3/4 x 4=3

i)Write an arguement stating why 3/4 is or isnt a factor of 3.

ANSWER:no it is not a factor of 3 nor is it a factor of anything.3/4 is not an integer.(answer buy sirus han)

ii)write an arguement stating why -1 is or isnt a factor of 3.

ANSWER:yes -1 is a factor of 3 becaus -1 is an integer.(answer by margo wilson)

DIVISIBILITY:

  • is 8 divisible by 3?
  • is 1338 divisible by 6?

DIVISIBILITY RULES:

NUMBERS

2 if number is even

3 if sum of digits is divisable by 3

4 if last 2 digits form a # divisable by 4

5 ?

6 if divisable by2 and 3

9 if sum of digits is divisable by 9

10 if ones digit is 0

rules for 7-8 may come later

home work for wednesday:

r:148-149

pg.151

17-29 odd

49

i choose the next scribe to be charlotte

3 comments:

Anonymous said...

hey afik i think u did a good job but for
next time i think u should describe it better.

Rumidog said...

Hey, Luanna, give us more details. Which parts?

Anonymous said...

i think he has to explain how to do it because i don't really understand....