Sets and Numbers

A ____ is a group with common factors.

The objects in a set are called ____ of a set.

A set with no elements is a/an ______.

We use ____ to name a set.

Which is a well defined set?

The ____ means “the set of”

What does this sign mean?

Which is not an element?

A= {2, 4, 6, 8, 10, 12, 14 }

If a set A = {3, 6, 9, 10, 13, 18}

State whether the following statement is ‘true’ or ‘false’:

7 ∈ A

If a set A = {3, 6, 9, 10, 13, 18}

State whether the following statement is ‘true’ or ‘false’:

10 ∉ A