Factors/Prime/Composite

15 is divisible by which numbers?

• 2

• 5

• 3

• 4

Match the rule with number

• 2

• if the number passes the 2 and 3 rule

• 3

• all whole numbers are divisible by 1

• 6

• if the digit can be halved twice

• 4

• if the last digit is even (0,2,4,6,8)

• 1

• if the sum of digits are divisible by 3

72 is divisible by which numbers

• 3

• 2

• 5

• 4

If the last digit is 5 or ___ it is divisible by 5

Which numbers are factors of 27?

• 2

• 3

• 5

• 9

Match the following

• Prime

• If a number has only 1 and itself as factors

• 0 and 1

• If a number has many factor pairs

• Composite

• Neither Prime or Composite

Which are divisible by 6?

• 12

• 20

• 54

• 66

Organize these options into the right categories

Groups:

(a) Prime

,

(b) Composite

• 7
• 23
• 6
• 5
• 12
• 11
• 13
• 19
• 17
• 10
• 14
• 9
• 3

• 15
• 4
• 8

How to you feel about math right now?

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