Vocab
A triangle with a 90 degree angle
Right Triangle
Nina is 15km north of a park, and Fan is 20km east of the park. How far apart are Nina and Fan?
25km
True or False: If you don't understand what Mr. Erik is saying, you should ask one of your classmates what's going on while he's still talking.
(False)
Asking classmates for help is good.
But not while I'm talking to you.
True or False: If you have a question about something, it's best to ask someone on the other side of the room, and speak louder than everyone else to make sure they hear you.
“毕达哥拉斯定理”用英语怎么说？
Pythagorean Theorem
Violet is to the west of the school and Coco is 8km south of the school. If Violet and Coco are 10km apart, how far is Violet from the school?
6km
When is homework due?
8am the day after it's assigned (unless another time is specified by the teacher)
True or False: The classroom should be silent except for when Mr. Erik is talking or if you're answering a question he's asking you.
False!!!
The longest side of a right triangle is the _________ and the other two sides are the _________
The longest side of a right triangle is the hypotenuse and the other two sides are the legs.
(10, 22, 26)
Is it a right triangle?
-yes/no
-prove it
102 + 222 = 100 + 484 = 584
262 = 676 != 584
no
If Mr. Erik sees you playing with toys, reading books, or fidgeting with something unrelated to our class, he will most likely:
A) Ignore it
B) Give a warning because he's a nice teacher
C) Take it away because he's a mean teacher
D) Take it and rip it apart because he's a very mean teacher.
C (probably)
Hangman: Math Vocabulary
_ _ _ _ _ _ _
VARIABLE
Two lines that form a 90 degree angle are ________.
Two lines that never cross are parallel.
Two lines that form a 90 degree angle are perpendicular.
(21, 28, 35)
Is it a right triangle?
-yes/no
-prove it
212 + 282 = 441 + 784 = 1225
sqrt(1225) = 35
yes
When is it appropriate to play poker during class?
If and only if it is part of the class being taught.
What year was I born?
1987
y=mx+b is the ___________ form of a linear equation.
y-y1 = m(x-x1) is the __________ form of a linear equation.
y=mx+b is the slope-intercept form of a linear equation.
y-y1 = m(x-x1) is the point-slope form of a linear equation.
What's the distance between (-2, 2) and (2, 6)?
16 + 64 = c2 = 80
c = sqrt(80) = 4*sqrt(5)
You may get out of your desks and go to the door when:
A) There's a few seconds of class left, especially for flag raising ceremony or when it's almost lunch time.
B) You can see other teachers/students out in the hallway
C) The bell rings
D) The bell rings and the teacher has finished the class.
(It's D)
我的家乡是什么？
Minot, North Dakota, USA