Grade 4 Homework Practice FL. Answer keys Common Core - Chapter 5: Factors, Multiples, and Patterns

Homework Explained - Math Practice 101

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Grade 4 Homework Practice FL.

Common Core - Chapter 5: Factors, Multiples, and Patterns

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Prime and Composite Numbers

Tell whether the number is prime or composite

Question 1 (request help)

Question 2 (request help)
68

(show solution)

Question 3 (request help)
52

(show solution)

Question 4 (request help)
63

(show solution)

Question 5 (request help)
75

(show solution)

Question 6 (request help)
31

(show solution)

Question 7 (request help)
77

(show solution)

Question 8 (request help)
59

(show solution)

Question 9 (request help)
87

(show solution)

Question 10 (request help)
72

(show solution)

Question 11 (request help)
49

(show solution)

Question 12 (request help)
73

(show solution)

Problem Solving

Question 13 (request help)
Kai wrote the number 85 on the board. Is 85 prime or composite?

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Question 14 (request help)
Lisa says that 43 is a 2-digit odd number that is composite. Is she correct?

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