Unit 2 Lesson 2: Exercise 3

Choose the correct answer.

1) Which of the following number is odd and composite?

a.8    b.9              c.   11              d.   12

2) 5 is a composite number

a.True     b.False

3) Which of the following is odd and prime?

a.2     b.3           c.    4             d.    10

4) Which of the following is even and prime?

a.2             b.    11           c.    14             d.    7

5) 9 is not a prime number.

a.True     b.False

6) What are the prime numbers between 15 and 20?

a.17, 19      b.16, 17, 19      c.15, 17, 18       d.17, 19, 20

7) What are the composite numbers between 9 and 15?

a.11, 12, 13    b.9, 12, 14     c.10, 12, 14     d.12, 14, 15

8) 11 is odd and prime

a.True         b.False

9) The number between 8 and 10 is

a.Odd    b.Even    c.   Prime     d. Odd and Prime

10) The number between 14 and 16 is a prime number.

a.True      b.False

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