4th Grade Prime and Composite Review

Nicholas says that 19 is a composite number. Is he correct? Why?

• Yes because 8+8=18 and 18+1=19
• Yes Because 9+9=18
• No because 2 can't go into 19
• No because nothing can go evenly into 19

Tags

CCSS.4.OA.B.4

Which number is prime?

• 57
• 19
• 9

Tags

CCSS.4.OA.B.4

Aurora says that the factors of 34 are 1,2.5,8,16. Is she correct?

• Yes
• No

Tags

CCSS.4.OA.B.4

7 is a ___________ of 42

• Factor
• Multiple

Tags

CCSS.4.OA.B.4

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

Which one is a multiple of 4?

• 33
• 22
• 18
• 24

Tags

CCSS.4.OA.B.4

Robbie made a scale drawing of a neighborhood park. A soccer field in the park is 14 inches long in the drawing. The actual field is 98 yards long. What is the scale of the drawing?1 inch = _ yards

• 1372
• 5
• 14
• 7

Tags

CCSS.7.RP.A.2C

Which of the following numbers shows all of the factors of 12?

• 1,2,3,4,6,12
• 1,2,3,4,6,8,12
• 1,2,4,6,12
• 2,4,6,8,10,12

Tags

CCSS.4.OA.B.4

Which of the following equations will NOT result in a multiple of 5?

• 11 x 5 = _
• 2 x 5 = _
• 6 x 5 = _
• 7 x 3 = _

Tags

CCSS.5.OA.B.3

Which of the choices below includes two factors of 15?

• 5 and 6
• 3 and 5
• 3 and 9
• 3 and 8

Tags

CCSS.4.OA.B.4