Illustrative Math Unit 1 End of Unit assessment

Is 27 a prime number or a composite number? Explain your reasoning.

Tags

CCSS.4.OA.B.4

Is 29 a prime number or a composite number? Explain your reasoning.

Tags

CCSS.4.OA.B.4

Select all true statements.

• 15 is a multiple of 3.

• 16 is a factor of 8.

• 80 is a multiple of 4.

• The only factor pair of 49 is 1 and 49.

• The factor pairs of 12are 1 and 12, 2 and 6, and 3 and 4.

Tags

CCSS.4.OA.B.4

Find all the factor pairs of 84.

Tags

CCSS.4.OA.B.4

Han is playing a card game with friends. The number of cards never changes, but the number of players does.

With 5 players, the cards can be divided equally between the player.

You will use this information to answer the next 3 questions.

Could there be 50 cards? Explain your reasoning.

Tags

CCSS.4.OA.B.4

With 3 players, the cards can be divided equally between the players. Could there be 50 cards? Explain your reasoning.

Tags

CCSS.4.OA.B.4

With 4 players, the cards can be divided equally between the players. How many cards could there be? Explain your reasoning.

Tags

CCSS.5.OA.B.3