Unit 11.1: Activity 1

Give an example of a set.

Activity 2

1) Given that A={2,3,5,7,11,13}, describe the set in words.

2) Given that set B is the collection of natural numbers, list the elements in B.

Activity 3

State a set. And use set notation to represent the number of elements in the set.

Example:
B={10,15,30}
n(B)=3

Activity 4

C={x:x is a positive integer such that a < x≤ b}
Select values for a and b and hence list the elements in set C.

Activity 5

List a pair of sets that are equal.

Unit 11.2: Activity 6

D={students who stay in the East}
E={students who own a bicycle}
F={students who stay in a flat}
G={students who own a farm}

Which is the empty set? Explain your answer.

Come up with your own empty set.

Activity 7

H={those born in Singapore}

What would H' represent?

What could ξ be?