4.OA.4 Review

Juan noticed that the final scores for both the Home and Visitors teams were composite numbers in last week’s football game. Which scoreboard shows the final score of Juan's game?

• Home 7 Visitors 11

• Home 14. Visitors 17

• Home 24. Visitors 21

• Home 27. Visitors 11

Which racecar has a prime number on it?

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This year, winter break will start on a Friday. The date is a prime number. What could be the date that winter break will start?

• 7

• 14

• 21

• 28

Tags

CCSS.4.OA.B.4

At the fair, there were two lines with the same number of people in each line waiting to get on the tilt-o-whirl. Which could be the number of people in each line?

• 33

• 25

• 36

• 41

Tags

CCSS.3.OA.A.3

CCSS.3.OA.C.7

Which of these numbers are COMPOSITE?

3, 6, 23, 24

• All of them

• None of them

• 3 and 23

• 6 and 24

Tags

CCSS.4.OA.B.4

When we skip count, we are listing .....

• factors
• divisors 
• addition 
• multiples

Tags

CCSS.3.OA.C.7

CCSS.3.OA.D.9

List the first 5 MULTIPLES of 3

• 3, 6 10, 15, 20
• 1, 3, 2, 6, 4
• 3, 6, 9, 12, 15
• 6, 9, 12, 15, 18

Tags

CCSS.4.OA.B.4

CCSS.4.OA.C.5

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

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)

Composite numbers:

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