Year 7 HCF and LCM Quiz

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 40 and 60?

• 10
• 20
• 30
• None of the above

Tags

CCSS.6.NS.B.4

Find the HCF of 30 and 36

• 2
• 3
• 4
• 6

Tags

CCSS.6.NS.B.4

Which answer lists all the factors for 40?

• 1,2,4,5,8,12,14,40

• 1,2,3,4,5,8,10

• 1,2,4,5,8,10,20,40

• 1,2,4,5,6,7,8,9,10

Tags

CCSS.4.OA.B.4

Find the HCF of 30 and 25

• 5

• 6

• 10

• 15

Tags

CCSS.6.NS.B.4

What is the LCM of 32 and 40?

• 180
• 160
• 140
• 200

Tags

CCSS.6.NS.B.4

Find the HCF of 64 and 144

• 8

• 6

• 16

• 2

Write 36 as the product of it's prime factors...

• 2 x 2 x 3 x 3

• 2 x 2 x 2 x 3

• 2² x 3²

• 2² x 3

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Write 450 as the product of it's prime factors...

Write your answer in index form...

• 2² x 3² x 5

• 2 x 3 x 3 x 5 x 5

• 2 x 2 x 3 x 3 x 5

• 2 x 3² x 5²

Tags

CCSS.6.EE.A.1