Hi eTwinners!!! Pupils from Perugia (1aD Ponte Felcino and 1aD Piccione) have learned something about the set theory and they decided to prepare a quiz for all of you. So, please, click and try.

Hi eTwinners!!! Pupils from Perugia (1^aD Ponte Felcino and 1^aD Piccione) have learned something about the set theory and they decided to prepare a quiz for all of you. So, please, click and try.

JQuiz Instructions

Giacomo and Tommaso (1^a D Piccione)

Select the number of correct diagram
1. 1
2. 2
3. 3
4. 4
Roberta (1^a D Piccione)

Select the true statements.
1. C ⊂ B
2. A ∩ B = { 5, 10 }
3. A ⊃ C
4. A and B are equipotent sets
5. A and B are not disjoint
Ahlam (1^a D Ponte Felcino)

Select the true statements.
1. 1) is an Euler-Venn diagram
2. 1) is a set description by definition
3. 2) is a set description by extension
4. 2) is an Euler-Venn diagram
Alice , Samuele and Sofia (1^a D Ponte Felcino)

Select the true statements.
1. Collection of green triangles is a well-defined set
2. Collection of squares is a well-defined set
3. Collection of interesting geometric figures is a well-defined set
4. Collection of strange geometric figures is a well-defined set
Gaia (1^a D Piccione)

Select the true statements.
1. { a, n, e } = A ∩ B
2. { a, n, e } = A ∪ B
3. A and B are disjoint
4. A and B are equipotent sets
Diego (1^a D Piccione)

What is it?
1. A set described by definition
2. A set described by Euler-Venn diagram
3. A set described by extension
Arianna and Giacomo (1^a D Ponte Felcino)
1. Union
2. It is an element of
3. Such that
4. Empty set
Corrado (1^a D Ponte Felcino)
1. a ∈ A
2. h ∈ A
3. b ∉ A
4. i ∉ A
5. e ∈ A
6. f ∉ A
Rebecca (1^a D Piccione)

What does it mean?
1. It is not an element of
  
  It is an element of
  
  Empty set
2. It is an element of
  
  It is not an element of
  
  Empty set
3. It is a subset of
  
  It is not an element of
  
  Empty set
Mariglen (1^a D Piccione)
1. A ⊂ B
2. A ∈ B
3. A ⊃ B
Francesco (1^a D Ponte Felcino)
1. A ∩ B ∩ C = { 5, 10 }
2. A ∩ B ∩ C = { 10 }
3. A ∩ B ∩ C = ∅
Matteo and Silvia (1^a D Ponte Felcino)
1. 14
2. 16
3. 18
Emanuele and Christian (1^a D Piccione)

Look at the Euler-Venn diagrams and select the correct statements.
1. A and B are disjoint
2. 1 ∈ A
3. { 4, 5 } = A ∩ B
4. 1 ∉ A
Giada (1^a D Piccione)
1. A ∪ B = { 1, 3, 4, 5, 6, 9, 10, 14, 19, 20 }
2. A ∪ B = { 9, 10 }
3. A ∪ B = { 14, 19, 20 }
Esmeralda, Maria Lisa e Michele (1^a D Ponte Felcino)
1. ⊂ means "it is included in"
2. ⊂ means "it is a subset of"
3. ⊃ means "it is an element of"
4. ⊃ means "it contains"
Valeria (1^a D Piccione)

Look at the Euler-Venn diagrams and select the correct statements.
1. A ∩ B = { 3, 9 }
2. A ∪ B = { 3, 9 }
3. 2 ∈ B
4. 6 ∉ A
Alice (1^a D Piccione)

What does the question mark indicate?
1. A ∪ B
2. The empty set
3. A ∩ B
Federico (1^a D Piccione)

Look at the Euler-Venn diagrams and select the correct statements.
1. C ⊂ B
2. 12 ∈ (A ∩ B)
3. 4 ∉ B
4. 3 ∈ A
Alessandro (1^a D Piccione)

How can you translate the sentence in math symbols?
1. C ∈ F
2. c ∈ F
3. c ⊂ F
Andrea and Omar (1^a D Piccione)

Look at the Euler-Venn diagrams and select the correct statements.
1. A ∩ C = ∅
2. B ∩ C = { 10, 11, 12, 13 }
3. A ∪ C = { 1, 2, 6, 10, 11, 12, 13 }
4. A ∩ B ≠ ∅
Margherita (1^a D Piccione)

Look at the Euler-Venn diagrams and select the correct statements.
1. C = ∅
2. A ∩ C = { i, m, e, l }
3. c ∉ B
4. n ∈ A
5. A ∩ C ∩ = { e, l }
6. B ∪ C = { i, m, e, l, u, c }