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Factors
Multiples
Common Factors and Common Multiples
Prime or Composite
MYSTERY!
100
List all factors of 18
1, 2, 3, 6, 9, 18
100
List multiples 5 of 10
10, 20, 30, 40, 50
100
What is the Greatest Common Factor of 9 and 21?
9
100
What is the difference between Prime and Composite numbers?
Prime numbers only have 1 and the number itself as factors. Composite numbers have more than 2 factors.
100
What is a conjecture?
A conjecture is your best guess
200
List all proper factors of 25
1, 5
200
How are multiples different than factors?
To get a multiple you need to multiply two numbers. Factors are the two numbers that make up a product which could be a multiples.
200
What is the greatest common factor of 30 and 42?
30: 30, 60, 90, 120, 150, 180, 210 42: 42, 84, 126, 168, 210
200
Find prime factorization of number 78
3x3x2x2x2
200
Find Prime Factorization for 30
3x10 3x2x5
300
In Factor Game, what is the best first move?
29, because you get 29 and your opponent gets 1
300
FREE 300 points!!! Congratulations!!!!
Great Move
300
What is the least common factor of 30 and 42?
30: 1, 2, 3, 5, 6, 10, 15, 30 42: 1, 2, 3, 6, 7, 14, 21, 42 LCF is 6
300
What number has a prime factorization of 2^2 x 3 x 5^2 x 7
2100
300
Write a prime factorization for 100 with exponents.
10x10 2x5x2x5 2^2 x 5^2
400
In Factor Game, what is your worst first move?
24 or 30 because in either case your opponent gets 12 more than you
400
What is the Greatest Multiple of 15?
There is no Greatest Multiple, because numbers can go on forever.
400
There are two different kinds of cicadas. One comes out every 12 years and the other every 8 years. After how many years will they come out at the same time?
12: 12, 24, 36 8: 8, 16, 24, 32 After 24 years
400
DOUBLE OR SUBTRACT!!! You can either earn 800 points or loose 400. Will you go for it? You can pass this questions or go for it!
Find the dimensions of all of the rectangles that can be made from 48 square times. Explain
400
Is the product ODD or EVEN without actually solving it? 3^2 x 5^2
odd (3) times odd (3) is ODD (9) odd (5) times odd (5) is ODD (25) ODD (9) times ODD (25) is ODD (225) IT IS ODD
500
How are factors different from proper factors?
Proper factors don't include the number itself.
500
What are 10 multiples of 8?
8, 16, 24, 32, 40, 48, 56, 64, 72, 80
500
Find a number: Less than 85 has 26 and 6 as factors. Explain
78. 26x3=78 and 6x13=78 also 78 is the least common multiple of 6 and 26
500
List all prime numbers up to 30
2, 3, 5, 7, 11, 13, 17, 23, 29
500
Ms. Garga is packing Halloween treat packs. Each sack has to have exactly the same amount of candy. She puts 96 Twix and 64 KitKat bars in the bags. a.How many snack bags can she make so there is none left over? b.How many are there in each snack pack?
a. 96: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32,48, 96 64: 1, 2, 4, 8 ,16, 32, 64 GCF is 32. She can make 32 snack packs. b. 96=32x3 3 Twix 64=32x2 2 KitKats