Worksheet: Elements of a Set

In this worksheet, we will practice finding the elements of a given set and determining whether given elements belong to a certain set.

Q1:

Use or to fill in the gap: 𝑗 { 𝑙 , 𝑦 , 𝑎 } .

  • A
  • B

Q2:

Use or to fill in the gap: 1 { 1 , 3 } .

  • A
  • B

Q3:

Use or to fill in the gap:

  • A
  • B

Q4:

If 8 { 6 , 1 , 𝑥 } , what numbers can 𝑥 NOT be?

  • A8
  • B6, 8
  • C6, 1
  • D1, 6, 8

Q5:

Use or to fill in the gap: T h e V e n n D i a g r a m s h o w s 6 𝑌 .

  • A
  • B

Q6:

Use or to fill in the gap: 6 { 3 6 , 1 6 }

  • A
  • B

Q7:

Given that 𝑥 belongs to the set of odd numbers, and 𝑥 { 1 6 , 8 , 1 2 , 1 7 } , find 𝑥 .

  • A 𝑥 = 8
  • B 𝑥 = 1 6
  • C 𝑥 = 1 2
  • D 𝑥 = 1 7
  • E 𝑥 = 1 5

Q8:

Use or to fill in the gap: T h e V e n n D i a g r a m s h o w s 4 𝑌 .

  • A
  • B

Q9:

Does 368 belong to the set { 3 , 6 , 8 } ?

  • ANo
  • BYes

Q10:

Use or to fill in the blank: 𝑒 {Adam}.

  • A
  • B

Q11:

Use or to fill in the gap: 3 7 3 , 7 3 7 . t h e s e t o f d i g i t s o f

  • A
  • B

Q12:

Use or to fill in the blank: o {Karim}.

  • A
  • B

Q13:

Use or to fill in the blank: h {Bassem}.

  • A
  • B

Q14:

If 𝑋 is the set of digits of the number 64‎ ‎764, list the elements of 𝑋 .

  • A { 6 , 7 }
  • B { 6 , 4 }
  • C { 4 , 7 }
  • D { 6 , 4 , 7 }

Q15:

Does 2 belong to the set of all prime numbers?

  • Ayes
  • Bno

Q16:

The set { 3 , 𝑥 , 2 } represents the digits of the number 2‎ ‎383. What is 𝑥 ?

  • A 𝑥 = 3
  • B 𝑥 = 2
  • C 𝑥 = 3 8
  • D 𝑥 = 8
  • E 𝑥 = 8 3

Q17:

Does 100 belong to the set of multiples of 10?

  • Ayes
  • Bno

Q18:

If 6 { 5 , 𝑥 } , what is 𝑥 ?

Q19:

Does 49 belong to the set of all even numbers less than 46?

  • ANo
  • BYes

Q20:

Use or to fill in the gap: 1 . 5 8 { 1 , 8 , 5 } .

  • A
  • B

Q21:

Is the set of odd numbers finite, infinite, or null?

  • Afinite
  • Bnull
  • Cinfinite

Q22:

Use or to fill in the blank: d {Mohamed}.

  • A
  • B

Q23:

Does 55 belong to the set { 5 , 5 3 4 } ?

  • ANo
  • BYes

Q24:

Use or to fill in the blank: m {Mohamed}.

  • A
  • B

Q25:

Does 2 belong to the set of digits of the number 221?

  • AYes
  • BNo

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