HCF and LCM

Which number is a factor of 10

• 3

• 4

• 5

• 8

Tags

CCSS.4.OA.B.4

List the first 5 multiples of 3

• 3, 6 10, 15, 20
• 1, 3
• 3, 6, 9, 12, 15
• 6, 9, 12, 15, 18

Tags

CCSS.3.OA.C.7

CCSS.3.OA.D.9

Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?

• 7
• 14
• 22
• 28

Tags

CCSS.4.OA.B.4

Find the HCF of 21 and 28

• 3
• 4
• 7
• 14

Tags

CCSS.6.NS.B.4

What is the LCM of 4 and 12? 

• 4
• 8
• 12
• 16

Tags

CCSS.6.NS.B.4

Find the HCF of 12 and 15 ?

• 2
• 2 x 3
• 3
• 60

Tags

CCSS.6.NS.B.4

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Find the HCF of 8 and 24 ...

• 2

• 4

• 6

• 8

Tags

CCSS.6.NS.B.4

Find the LCM of 8 and 24 ...

• 24

• 48

• 32

• 64

Tags

CCSS.6.NS.B.4

Find the HCF of 25 and 35

• 10
• 5
• 7
• 1

Tags

CCSS.6.NS.B.4