**Related Topics & Worksheets:**

Sets

Math Worksheets

Objective:

- I know whether an element is a member of a set.
- How many elements in a given set?

**Examples:**

∈ denotes “is an element of’ or “is a member of” or “belongs to”.

∉ denotes “is not an element of” or “is not a member of” or “does not belong to”

For the set A = {1, 3, 5}

a) 1 ∈ A

b) 2 ∉ A

If A is the set of positive integers less than 12 then

the number of elements is set A is 11

If Q is the set of letters in the word ‘HELLO’ then

the numbers of elements in Q is 4.

Check out the following lessons on sets if you need help.

Set Notations

Finite & Infinite sets

Empty Set

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.

We hope that the free math worksheets have been helpful. We encourage parents and teachers to select the topics according to the needs of the child. For more difficult questions, the child may be encouraged to work out the problem on a piece of paper before entering the solution. We hope that the kids will also love the fun stuff and puzzles.

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