# Worksheet: Expressing a Set

In this worksheet, we will practice expressing a set by identifying its elements.

**Q1: **

Using the listing method, express the set of the days of the week.

- A{Sunday, Monday, Tuesday, Wednesday}
- B{Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday}
- C{Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday}
- D{Sunday, Monday, Tuesday, Wednesday, Thursday}
- E{Sunday, Monday, Tuesday}

**Q6: **

Given that , write using the listing method.

- A
- B
- C
- D

**Q7: **

Given that , write using the listing method.

- A
- B
- C
- D

**Q8: **

is the set of whole numbers a such that . Write using the listing method.

- A
- B
- C
- D

**Q11: **

is the set of all two-digit numbers which are divisible by 22. Write using the listing method.

- A
- B
- C
- D

**Q12: **

is the set of prime numbers greater than 7 and less than 25. Write using the listing method.

- A
- B
- C
- D

**Q13: **

. Which statement describes ?

- A is the set of odd numbers between 303 and 309
- B is the set of prime numbers between 303 and 309
- C is the set of even numbers between 303 and 309
- D is the set of the whole numbers between 303 and 309

**Q14: **

Write the elements of the set: The whole numbers between (but not including) 35 and 41.

- A34, 36, 37, 38, 39, 40
- B36, 37, 38, 39, 40
- C37, 38, 39, 40, 42
- D36, 38, 39, 40

**Q15: **

Find all the elements of the set of 2-digit numbers whose 2 digits are the same.

- A12, 21, 23, 32, 45, 54, 78, 87, 99
- B11, 22, 33, 44, 55, 66, 77, 88, 99
- C11, 22, 33, 55, 66, 77, 88, 99
- D12, 21, 24, 42, 67, 76, 79, 97

**Q16: **

Write the elements of the set:

- A
- B
- C
- D

**Q17: **

Write the elements of the set: The even numbers between (but not including) 59 and 63.

- A60 , 62, 64
- B60, 62
- C58 , 60, 62
- D61, 62

**Q18: **

Write the elements of the set: The 2-digit numbers that have 7 in the units position.

- A
- B
- C
- D

**Q21: **

Given that , write using the listing method.

- A
- B
- C
- D

**Q22: **

Given that , write using the listing method.

- A
- B
- C
- D

**Q23: **

Given that , write using the listing method.

- A
- B
- C
- D

**Q25: **

How many elements does have?