EOY lesson 3

Use a factor tree to find prime factorization of 24.

• 2 x 3 x 2 x 3

• 2 x 3 x 2 x 2

• 6 x 2 x 2

• 2 x 3 x 4

Tags

CCSS.4.OA.B.4

Use a factor tree to find the prime factorization of 50.

• 2 x 2 x 5 x 5

• 5 x 5 x 3 x 2

• 2 x 5 x 5

• 2 x 25

Use a factor tree to find the prime factorization 130.

• 5 x 2 x 13

• 5 x 2 x 5 x 13

• 10 x 3 x 5 x 2

• 2 x 3 x 3 x 5

Tags

CCSS.4.OA.B.4

Which of the following numbers is prime?

• 15

• 18

• 19

• 21

Which of the following is NOT prime?

• 11

• 13

• 19

• 21

Use a factor tree to find the prime factorization of 60.

• 2 x 3 x 3 x 2

• 2 x 2 x 2 x 3

• 2 x 5 x 2 x 2

• 2 x 3 x 2 x 5

Use a factor tree to find the prime factorization of 144.

• 2 x 2 x 3 x 3 x 5

• 2 x 2 x 6 x 2

• 2 x 2 x 3 x 2 x 2 x 3

• 2 x 2 x 2 x 3 x 3

Which number is a multiple of 3?

• 27
• 28
• 29
• 26

Tags

CCSS.4.OA.B.4

Which number is a multiple of 5?

• 73
• 74
• 75
• 76

Tags

CCSS.4.OA.B.4

Which number is NOT a multiple of 5

• 55
• 60
• 65
• 07

Tags

CCSS.4.OA.B.4