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JeopardyJeopardyUnit 1C


JeopardyJeopardy

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Prime & Composite

Divisibility Rules

Factors & Multiples GCF LCM Distributive

Property


13

Which of these numbers are prime?

9, 13, 21, 39


Which of these numbers are composite?

19, 23, 47, 51

51


What is the prime factorization of

104

2 ● 2 ● 2 ● 13 or 23 ● 13


2 ● 2 ● 2 ● 2 ● 2 ● 2 or 26


64


2 ● 2 ● 2 ● 2 ● 3 ● 5 or 24 ● 3 ● 5


240


Is this number divisible by 4?

1028

Yes


2, 4, 5, and 10

Tell whether 560 is divisible by

2, 3, 4, 5, 6, 9, and 10.


2, 3, and 6

Tell whether 102 is divisible by

2, 3, 4, 5, 6, 9, and 10.


3 and 9

Tell whether 1,323 is divisible by

2, 3, 4, 5, 6, 9, and 10.


Tell whether 18,936 is divisible by

2, 3, 4, 5, 6, 9, and 10.

2, 3, 4, 6 and 9


1, 2, 3, 4, 6, 8, 12, 24

What are ALL the factors of 24?


20, 40, 60, 80, 100

What are 1st 5 multiples of 20?


1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60



15, 30, 45, 60, 75

What are 1st 5 multiples of 15?


1, 5, 25



2

Find the GCF of 26 and 14.


7

Find the GCF of 35, 42 and 49.


25

Find the GCF of 50, 75 & 100


16 cardsJoaquin has 48 Atlanta Braves

baseball cards and 80 Philadelphia Phillies baseball cards. He wants to

put all the cards in album so that the cards from each team are in separate

sections. He also wants the same number of cards on each page. What is the greatest number of cards he

can put on each page.


6 arrangements; 5 pansiesAshley works at a flower shop making

flower arrangements. Each arrangement must have the same number of daisies, the

same number of tulips, and the same number of pansies. If she has 12 daisies, 18 tulips, and 30 pansies, and uses all of

the flowers, what is the greatest number of arrangements she can make? How many

pansies will be in each arrangement?


30

Find the LCM of 10 & 6.


60

Find the LCM of 4, 5 & 6.


44

Find the LCM of 11, 4 & 22.


3 packs and 4 boxes

Each teacher needs an expo marker and a whiteboard eraser

for their classroom. Expo markers come in packs of 16 and erasers come in boxes of 12. What is the least number of packs and boxes

needed for 48 teachers.


Daily Double!!!


2:30 pm

The train at Six Flags arrives every 45 minutes, and the sky cart arrives every 30 minutes. Both are at the front gate right now at 1:00 pm. What time will both be back at the front gate?


5x + 35Use the distributive property to make

an equivalent expression

5(x+7)


36 + 24Use the distributive property to make

an equivalent expression

12(3+2)


Distribute the common factor & find the sum of the products.

5(3+7)

50


Factor out the GCF and rewrite the expression.

88+99

11 ( 8 + 9 )


Factor out the GCF and rewrite the expression.

42+54

6 ( 7 + 9)

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