Order of Operations
Evaluating Expressions
Pythagoren Theorem
Random
Ms. Liu
100

16-2+5

19

100

2n - 7, for n = 8

= 2(8) - 7 

= 16 - 7 

= 9

100

What is the Pythagoren Theorem?

a2 + b2 = c2

100

How many is in a baker's dozen?

13

100

What is the color of Ms. Liu's Do Now basket?

Green

200

8 + 2 x 7

8 + 14 = 22

200

4ab, for a = -2 and b = 5

4ab, for a = -2 and b = 5

= 4(-2)(5)

= 4(-10)

= -40

200

Angle C in the triangle ABC is a right angle. Find the length of the missing side to the nearest tenth. 

a = 6, b = ?, c = 10 

a2 + b2 = c2 when a = 6, b = ?, c = 10

62 + b2 = 102

36 + b2 = 100

b= 64

b = 8

200

Who is the #1 Spotify artist in the world right now? 

The Weeknd

200

Is Ms. Liu Team Kendrick or Team Drake?

Team Kendrick

300

9 x (4/12) 

9 x (1/3) = 3

300

(y)/3, for x = 7 and y = 8

(+ y)/3, for x = 7 and y = 8

= (7 + 8)/3

= 15/3

= 5

300

Angle C in the triangle ABC is a right angle. Find the length of the missing side to the nearest tenth. 

= 5, b = 12, c = ?

a2 + b2 = c2 when a = 5, b = 12, c = ?

52 + 122 = c2

25 + 144 = c2

c= 169

c = 13

300

How many weeks are in a human lifespan (assuming that you live to be 80)?

Roughly 4,000

300

What chips does Ms. Liu hate?

Baked Lays

400

15 - 2(5 - 2) 

15 - 2(5 - 2)

= 15 - 2(3)

= 15 - 6

= 9

400

4x + 5y - 3z, for x = -3, y = 4, and z = 2

4x + 5y - 3z, for x = -3, y = 4, and z = 2

= 4(-3) + 5(4) - 3(2) 

= -12 + 20 - 6

= 8 - 6

= 2

400

Angle C in the triangle ABC is a right angle. Find the length of the missing side to the nearest tenth. 

= 8, b = ?, c = 17

a2 + b2 = c2 when a = 8, b = ?, c = 17

82 + b2 = 172

64 + b2 = 289

b= 225

b = 15

400

In a group of 23 people, what is the chance that two people share the same birthday? 

50%
400

What is Ms. Liu's favorite Pixar movie? 

Up

500

53 - [3(8+2) + 5(9-5)]

= 53 - [3(10) + 5(4)]

= 53 - (30 + 20)

= 53 - 50

= 3

500

(4 + d) - e(9 - f), for d = 7, e = 4, and f = 8

(4 + d) - e(9 - f), for d = 7, e = 4, and f = 8 

= (4 + 7) - 4(9 - 8) 

= 11 - 4(1)

= 11 - 4

= 7

500

What is 111,111,111 x 111,111,111?

12,345,678,987,654,321
500

According to researchers, how many times should you shuffle a deck of cards to create a random order that likely has never existed before? 

7

500

What is Ms. Liu's favorite fast food chain?

In-N-Out (special mention: Canes)

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