GA Milestones Math Review- Part 2

What are all of the factors of 15?

• 1,3,5,15

• 5,15

• 1,15

• 1,5

Tags

CCSS.4.OA.B.4

What are the factors of 30?

• 1,2,3,5,6,10,15,30

• 1,2,3,10,15,30

• 1,2,3,4,5,6

• 5,6

Tags

CCSS.4.OA.B.4

Which is a factor pair of 22?

• 1,11

• 2,11

• 21,1

• 22,3

Tags

CCSS.4.OA.B.4

Is 5 a factor of 36?

• no

• yes

Tags

CCSS.4.OA.B.4

Which factor of 12 is missing in the list of numbers? 1,2,3,4,___,12.

• 5

• 6

• 8

• 10

Tags

CCSS.4.OA.B.4

Identify the correct list for all the factors 24....

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 4, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 12, 24

• 1, 2, 3, 4, 6, 9, 12, 24

Tags

CCSS.4.OA.B.4

Identify the correct list for all the factors 10....

• 1, 2, 5, 10

• 1, 2, 4, 5, 10

• 1, 2, 10

• 1, 2, 4, 10

Tags

CCSS.4.OA.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)

Tags

CCSS.4.OA.B.4

Four students each made a list of prime numbers.

Eric: 5, 7 17, 23

Maya: 3, 5, 13, 17

Bella: 2, 3, 17, 19

Joan: 7, 11, 13, 21

Who made an error and included a composite number?

• Eric

• Maya

• Bella

• Joan

Tags

CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4