Lesson: Universal Set Mathematics

In this lesson, we will learn how to find the suitable universal set for two or more given sets.

Lesson Plan

Students will be able to

define the universal set as a set that contains all the elements included in one or more given sets,
write down a suitable universal set given one or more sets.

Lesson Worksheet

Q1:

What is the name we give to the set which contains all elements and of which all other sets are subsets?

Q2:

If is the set of math teachers in a school and is the set of science teachers in the school, which of the following could be the universal set that contains and ?

Q3:

If , which of the following is a suitable universal set?