Factors/GCF
Multiples/LCM
Prime/Composite/Factor Trees
Problem Solving
Mixed Bag
100
List all the factors of 20.

1, 2, 4, 5, 10, 20

100

First 5 multiples of 11.

11, 22, 33, 44, 55

100

Prime or Composite?

45

Composite

100

Beginning at 8:30 A.M., tours of the National Capitol and the White House begin at a tour agency. Tours for the National Capitol leave every 15 minutes. Tours for the White House leave every 20 minutes. 

How often do the tours leave at the same time?

Every hour (60 mins) - so at 9:30 am

100

Name of the main character in Home Alone (original) who was left at home.

Kevin

200

Every number (except 0) has this number as a factor.

1

200

LCM of 6 and 12.

12
200

Prime factorization of...

30

2 x 3 x 5

200

Two neon lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. In 60 seconds, how many times will they blink at the same time?

5 times 

*LCM = 12, so every 12 seconds they will blink together --> 12, 24, 36, 48, 60

200

Solve the rebus puzzle below.

LIVE LIVE LIVE LIVE

TODAY TODAY

Live for today

300

GCF of 100 and 25.

25

300

LCM of 2, 4, 6

12

300

Prime factorization of 28.

2 x 2 x 7

300

Sienna is a gardener, and she wants to plant flowers and shrubs in her garden. She has 24 flower plants and 36 shrub plants. She wants to arrange them in rows with the same number of plants in each row. 

What is the greatest number of rows Sienna can make if she uses all of her flowers?

She can make 12 rows.

300

What is Mrs. Shapiro's son's name?

Chase

400

GCF of 16 and 40.

8

400

LCM of 15 and 12

60

400

The smallest prime number

2

400

Colton is organizing his bookshelf. He has 40 fiction books and 32 non-fiction books. He wants to arrange them on the shelves with the same number of books in each row. He wants to use all of the books and make the greatest number of rows possible.

If he does this, how many fiction books will be on each shelf?

5 fiction books

(GCF = 8, so there will be 8 rows. Each row will have 5 fiction books and 4 non-fiction books = 9 books total)

400

On the Periodic Table of Elements, what does He stand for?

Helium

500

GCF of 240 and 96.

48

500
LCM of 240 and 96

480

500

Prime or Composite?

453

Composite 

(Because 4 + 5 + 3 = 12 and 12 is divisible by 3)

500

Imagine you have a three-digit number that is divisible by 6, and the sum of its digits is 12. What COULD this three-digit number be?

Several possibilities

606

444

264

... etc.

500

This number is the only number in the English language that is spelt with as many letters as the number itself.

(i.e. TWELVE = 6 letters)

FOUR (4 letters)

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