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Divisibility chart – check your answers!. Daily 5. A dog kennel groups the dogs in rows in order to determine at what time they will be given a treat. Each group should have the same number of dogs. There are 120 dogs in the kennel. How many groups are possible?.

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Presentation Transcript

A dog kennel groups the dogs in rows in order to determine at what time they will be given a treat. Each group should have the same number of dogs. There are 120 dogs in the kennel. How many groups are possible?

Given: (What do we know?)

1 row of 120

2 rows of 60

4 rows of 30

8 rows of 15

24 rows of 5

How many groups?

How many groups of dogs are possible?

120

2 rows of 60 2 60

2x2 or 4 rows of 30 2 30

2x2x2 or 8 rows of 15 2 15

2x2x2x3 or 24 rows of 5 3 5

Brain Pop - Factoring

Prime factorization

PRIME FACTORIZATION: Expressing a whole number as a product of prime numbers.

24

2 12

3 4

2 2

• 2 x 2 x 2 x 3 = 24
• 23 x 3 = 24