Factors and LCM

Choose all the PRIME numbers

• 1

• 2

• 3

• 5

Tags

CCSS.4.OA.B.4

• 10
• 5
• 11
• 12

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

• 7
• 4
• 6
• 3

Tags

CCSS.3.OA.B.6

Which equation can be modeled with the following array?

• 3 x 12 = 4
• 4 x 12 = 3
• 12 ÷ 4 = 3
• 12 ÷ 3 = 3

Tags

CCSS.3.OA.A.2

• 3
• 9
• 7
• 6

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the Least Common Multiple (LCM) of 8 and 12

• 812

• 20

• 96

• 24

Is 7 a factor of 40?

• yes

• no

Tags

CCSS.4.OA.B.4

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Which is the prime factorization of 12? 

• 2 x 6
• 2 + 2 + 2 + 2 + 2 + 2 
• 2 x 2 x 3
• 1 x 2 x 2 x 3

Use a number tree to find the prime factorization of 48

• 4x2x6
• 4x2x2x3
• 3x2x2x2x2
• 12x4