# Worksheet: Set of Integer Numbers

In this worksheet, we will practice checking if a number, or a set of numbers, belongs to, is included in, or is not included in the set of integer numbers

**Q1: **

Which of the following is true?

- A
- B

**Q2: **

Which of the following is true?

- A
- B

**Q3: **

Which of the following is true?

- A
- B

**Q4: **

Which of the following is true?

- A
- B

**Q5: **

Which of the following is true?

- A
- B

**Q6: **

Which of the following is true?

- A
- B

**Q7: **

Which of the following is true?

- A
- B

**Q8: **

Which integer appears immediately after ?

**Q10: **

Which of the following is true?

- A
- B

**Q12: **

Which of the following is true?

- A
- B

**Q13: **

Which of the following is true?

- A
- B

**Q14: **

How many integers are there between (but not including) and 4?

**Q15: **

State, using the listing method, the set of non-positive even integers.

- A
- B
- C
- D

**Q16: **

State, using the listing method, the set of non-positive odd integers.

- A
- B
- C
- D

**Q17: **

Which integer appears immediately before ?

**Q19: **

Which of the following is true?

- A
- B

**Q20: **

Which of the following is true?

- A
- B

**Q21: **

Find the integer immediately before and the one immediately after 16. Write the two integers in ascending order.

- A15, 17.
- B17, 15.
- C, .
- D, .

**Q22: **

Using the listing method, write the set of integers that are less than .

- A
- B
- C
- D
- E

**Q23: **

Given that , what is the value of ?

**Q24: **

Using the listing method, write down the set of nonnegative integers.

- A
- B
- C
- D

**Q25: **

Which of the following is true?

- A
- B