In this worksheet, we will practice identifying equal sets and using their equality to find the value of unknown elements.

**Q1: **

If two sets have the exact same elements, they are said to be .

- A equivalent
- B not equal
- C not equivalent
- D equal

**Q2: **

Given that , find and .

- A ,
- B ,
- C ,
- D ,
- E ,

**Q4: **

If , what are the possible values of ?

- A can be any number except 44.
- B can be any number except 4 and 44.
- C can be any number except 0 and 11.
- D can be any number except 11.

**Q5: **

Use or to fill in the blank:

- A
- B

**Q6: **

Use or to fill in the blank: the set of factors of the number 38.

- A
- B

**Q7: **

Two equal sets are equivalent. Are two equivalent sets equal?

- Ano
- Byes

**Q9: **

Find the value of if .

**Q10: **

Use or to fill in the blank: If , then .

- A
- B

**Q11: **

Use or to fill in the blank: the set of digits of the number 4 998.

- A
- B

**Q12: **

Use or to fill in the blank: the set of even numbers smaller than 28.

- A
- B

**Q13: **

If , what are the possible values of and ?

- A and can be any number except 1.
- B and can be any number except 0 and 63.
- C and can be any number except 0 and 1.
- D and can be any number except 63.

**Q14: **

Use or to fill in the blanks: If , is the set of digits of 30, and , then and .

- A ,
- B ,
- C ,
- D ,

**Q15: **

Are these two sets equivalent?

- AYes
- BNo

**Q16: **

Given that , find and .

- A ,
- B ,
- C ,
- D ,
- E ,

**Q17: **

Given that and is a digit in the number , find the relation between and .

- A
- B
- C
- D

**Q18: **

Given that , find and .

- A ,
- B ,
- C ,
- D ,
- E ,