OA.4 Review

Ella is playing a card game. Each card has a number on it. She needs to collect 3 cards. Each card should be a factor of 30. Which numbers could be on Ella’s cards?

• 7, 2, 15

• 10, 3, 5

• 6, 5, 4

• 2, 10, 60

Tags

CCSS.4.OA.B.4

Which is true about a number whose factors are 1,2, 3, 6, 18?

• It is an odd number.

• It is a multiple of 2 and 6.

• It is a factor of 18.

• It is a prime number.

A school’s computer classes are in rooms 40, 44, 48 and 52. The art classes are in rooms 53, 55, 60, 72. What statement is true about all 4 computer class numbers?

• They are between 50 and 60.

• They are between 20 and 30.

• They are all multiples of 5.

• They are all multiples of 4.

Jesse bought a set of baseball cards. The number of baseball cards that he bought is the first prime number after 80. How many baseball cards are there in the set?

• 81

• 82

• 83

• 84

Tags

CCSS.4.OA.B.4

• Blue

• Green

• Purple

• Orange

Tags

CCSS.4.OA.C.5

During math class, Mr.Dances made the following statement to his students. Open your textbook to the first page after 20 that is a prime number. What is the correct page?

• 21

• 23

• 25

• 29

Tags

CCSS.4.OA.B.4

Mrs.Baker tried to write each factor of 30. She wrote: 1, 2, 3, 5, 6, 10, and 30. Which factor did she leave off her list?

• 12

• 20

• 15

• 8

Tags

CCSS.4.OA.B.4

• 
• 
• 
• 

Tags

CCSS.4.OA.B.4

• 32

• 33

• 37

• 39

Tags

CCSS.4.OA.C.5

Mrs.Baker is thinking of a number that is a multiple of 2, 4, and 10. Which could be her number?

• 10

• 25

• 40

• 12

Tags

CCSS.4.OA.B.4