9th Grade Math IGCSE Assignment 1 Primes, Multiples, Factor

Which of the following are prime numbers?

3,11,15,19,21,23,27,29,31,37,39,47,51,59,61,67,72,73,87,99

(write in numberical order seperated by commas)

Tags

CCSS.4.OA.B.4

Write down the first 5 multiples of 4 (after 4)

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CCSS.4.OA.B.4

CCSS.4.OA.C.5

Write down the first 5 multiples of 10 (after 10)

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CCSS.4.OA.B.4

CCSS.4.NBT.B.5

Write down the first 5 multiples of 11 (after 11)

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CCSS.3.OA.C.7

CCSS.3.OA.D.9

Write down the first six multiples of 4 and 6. What are the first two common multiples of 4 and 6

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CCSS.6.NS.B.4

Write down the first six multiples of 3 and 5. What is the lowest common multiples of 3 and 5

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CCSS.4.OA.B.4

What are the factors of 6

• 2,3

• 6,12,18,24

• 1,2,3,6

• 2,3,6

Tags

CCSS.4.OA.B.4

What are the factors of 9

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CCSS.4.OA.B.4

What are the factors of 10

Tags

CCSS.4.OA.B.4

What are the factors of 15

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CCSS.4.OA.B.4