Sets and Numbers

A ____ is a group with common factors.

• fraction

• number

• set

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

• elements

• people

• part

A set with no elements is a/an ______.

• full set

• blank set

• empty set

We use ____ to name a set.

• numbers

• capital letters

• brackets

Which is a well defined set?

• colours

• beautiful flowers

• delicious fruits

The ____ means “the set of”

• ( )

• { }

• [ ]

What does this sign mean?

• not an element of set

• an element of set

Which is not an element?

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

• 2

• 5

• 6

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

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

7 ∈ A

• true

• false

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

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

10 ∉ A

• true

• false