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Order of Operations
Add/Sub Fractions
Prime, Composite & GCF
LCM
Trivia
100

Mario says that the expressions below will all have the same answer. Do you agree with Mario? Explain why or why not.

-27 / 3

27 / -3

-(27 / 3)

Yes, the answer for all of these will be -9.

100

3                 3

____    +     ____

8                8

3

____ 

4

100
Identify the following number as prime or composite. 45
45 is a composite number.
100

What is the LCM of 3 and 4?

12

100

Who did Forbes name the youngest “self-made billionaire ever” in 2019?

A. Timothée Chalamet
B. Kylie Jenner
C. Justin Bieber
D. Kane Brown

B. Kylie Jenner

200

4 / 2 (-7 + -3)

-20

200

7                 1

____    -     ____

10                2

 1

___

5

200

Use prime factorization to try and figure out the GCF of 30 and 66.

6 is the greatest common factor for 30 and 66.

200

What is the LCM of 8 and 12?

24

200

Which pop singer’s real name is Robyn Fenty?

A. Rihanna

B. Miley Cyrus

C. Zendaya

D. Rosie Hollins

A. Rihanna

300

Darnell simplified the expression. Describe and correct his mistake.                                                       

20 – 1/2 ∙ 62

20 – 32

20 – 9

11

According to the order of operations, he should have squared 6 before multiplying by 1/2 because exponents comes before multiplication.

20 – 1/2 ∙ 62 

= 20 – 1/2 ∙ 36 

= 20 – 18 = 2

300

5                 1

____    +     ____

6                 4

13                 1

___    =   1  ____

12                 12

300
Identify the following number as prime or composite. 13
13 is a prime number.
300

Jake gets paid every 3 days and Andrew gets paid every 6 days. If they started working on the same day, how many days later would they be paid on the same day?

A. 3 days
​B. 6 days
​C. 12 days

D. 16 days

B. 6 days
300

What is the world record for the most number of hotdogs eaten in one sitting?

A. 58
B. 76
C. 49
D. 32

B. 76

400

Which statement is equivalent to the expression below. Select all that apply.

-19 - (-7)

A. -19 + 7

B. 10 - 7

C. 7 - 19

D. -7 - (-19)

A. -19 + 7

C. 7 - 19

400

Manny bought 22 ⅔  kg of tomatoes & 19 ⅗ kg of potatoes. Find the difference.

        1         

3 ___   

   15  

400

Which of the following pairs has a greatest common factor that is a prime number? Select all that apply.

A. 9 and 21

B. 9 and 14

C. 9 and 35

D. 14 and 35

A. 9 and 21

D. 14 and 35

400

Explain how LCM can be used to add and subtract fractions.

Ex. 7/8 + 5/3

*Answers may vary*

LCM can be used to find a common denominator in order to add or subtract fractions.

Example, the LCM of 8 and 3 is 24, so both fractions should have a denominator of 24 before they are added.

21/24 + 40/24

400

Who is the most streamed artist on Spotify?

A. SZA

B. Drake

C. The Weeknd

D. Taylor Swift

C. The Weeknd

500

What is the value of 32 – 4[7 + 3(5 – 2)]?

A. -111

B. -58

C. -55

D. 80


C. -55

500

25                5

____    +     ____

30                9

25                 7

____    =    1 ____

18                18


500

Identify the following number as prime or composite. 33

33 is a composite number.

500

What is the LCM of 2, 11, 12?

132

500

Who has the most followers on Instagram?

A. Lionel Messi

B. Selena Gomez

C. Kylie Jenner

D. Cristiano Ronaldo

D. Cristiano Ronaldo