OA 4 CFA

Jeremy noticed that the final scores for both the Home and Visitors teams were prime numbers in last week's basketball game. Which scoreboard shows the final score of Jeremy's game?

• HOME 11 VISITORS 25

• HOME 27 VISITORS 13

• HOME 23 VISITORS 29

• HOME 31 VISITORS 15

Sarah wants to make a rectangular patio with square stones in her backyard. If she uses 24 stones, she can make 4 rectangular designs as shown below.

Which number of stones would give her only one rectangular design for her patio?

• 40

• 43

• 45

• 49

Jessica needs a taxi. The taxi driver told her that his car number was not a prime number. Which taxi could be the taxi that Jessica needs to get into?

• Taxi 27

• Taxi 43

• Taxi 29

• Taxi 17

This year, fall break will start on a Thursday in October. The date is a prime number. What could be the date that fall break will start?

• October 4

• October 11

• October 18

• October 25

Which of the following lists all of the prime numbers on the clock face?

• 1, 3, 5, 7, 11

• 3, 5, 7, 9, 11

• 2, 3, 7, 9

• 2, 3, 5, 7, 11

A bakery wants rectangular boxes for its cupcakes. The bakery wants to put the same number of cupcakes into at least two different sizes of rectangular boxes.

Which number of cupcakes can be arranged in only one rectangular box?

• 10

• 13

• 16

• 18

A 4th grade group of students went to Raleigh for a guided tour. When they got to the Legislative Building they were divided into equal groups. There were 6 students in every group. Which of the following could be the total number of students visiting Raleigh?

• 48

• 26

• 33

• 47

At the fair, there were three lines with the same number of people in each line waiting to get on the ferris wheel. Which could be the number of people in each line?

• 32

• 35

• 37

• 39

The equation shows a number multiplied by 7.

n x 7 = ?

Which of these is true about the result?

• It is a factor of 7.

• It is always a composite number.

• It is a multiple of 7.

• It is always a prime number.

Marie has a set of cards. If she divides them into 9 equal stacks with no cards left over, which of the following must be true about the number of cards?

• The number of cards is a multiple of 9.

• The number of cards is a factor of 9.

• The number of cards is an odd number.

• The number of cards is an even number.