Please, please, please, please do not, when doing examples on the board, use the equal sign (=) incorrectly. For instance:
1+1=2+4=6-3=3
1+1≠3≠6 etc.
Similarly, when simplifying fractions:
3 ⅛ + 1 ⅜ = 4 4/8 = ½
Is also wrong.
The “=” means “is equal to.” Please keep that in mind.
It will make my work a lot easier. Believe it or not, [...]
Posts Tagged as ‘education’
September 12, 2008
dear elementary school teachers,
April 22, 2008
error: no access because high school students can’t learn about evolution, or they might get bad thoughts.
I was reading Pharyngula while I had some down time in school today. I tried clicking on this link, only to discover:
Basically Sarkar’s piece is a level-headed refute of attacks on evolution (Expelled). A quick look through the comments didn’t reveal anything hugely inflammatory. So why the block? Oh, that’s right. We’re corrupting our children [...]
April 12, 2008
“That’s two answers!”
Today, at Quiz Bowl Districts:
“Find the y-intercept of the equation x^2 + 5x -15 = 0“
Teammate buzzed in, is acknowledged: “(0, -15)”
“Incorrect.”
Other team guessed wrong.
“The correct answer was negative 15.”
Obviously the team challenged the answer. The y-intercept of an equation is a point. A point can be expressed in coordinate form. The moderator was confused. [...]