Types of Sets. Mathematics State Board, Class 9: lessons, tests, tasks.

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1.	Sets and its types
2.	Empty and singleton sets
3.	Cardinality of sets
4.	Equivalent and equal sets
5.	Subsets
6.	Proper subsets
7.	Subsets of set of numbers
8.	Power sets
9.	Mind map

1.	Multiple choice question Difficulty: easy	4
2.	Two marks example problems I Difficulty: medium	6
3.	Two marks example problems II Difficulty: medium	4
4.	Two marks exercise problems I Difficulty: medium	3.5
5.	Two marks exercise problems II Difficulty: medium	2
6.	Two marks exercise problems III Difficulty: medium	4
7.	Two marks exercise problems IV Difficulty: medium	4
8.	Two marks exercise problems V Difficulty: medium	2
9.	Two marks exercise problems VI Difficulty: medium	4.5

1.	Choose the appropriate definition Difficulty: easy	3
2.	Express the set of elements Difficulty: easy	2
3.	Find the set and determine its name Difficulty: easy	3
4.	Calculate the cardinal number of the set Difficulty: easy	3
5.	Check equivalent or equal set Difficulty: easy	4
6.	Examine true or false Difficulty: easy	3
7.	Express it in power set Difficulty: easy	2
8.	Examine the statement Difficulty: medium	4
9.	Select all the set/sets that contains the given set. Difficulty: medium	5
10.	Identify the finite set Difficulty: medium	4
11.	Identify the infinite set Difficulty: medium	4
12.	Evaluate the equal set elements Difficulty: medium	4
13.	Determine the cardinal number of the set Difficulty: medium	4
14.	Write all the subsets Difficulty: hard	10
15.	Find the power sets Difficulty: hard	6
16.	Determine the cardinal number of sets, number of subsets and number of proper subsets Difficulty: hard	5
17.	Determine the number of element in the power set and number of elements in a set Difficulty: hard	5

1.	Determine the cardinal number of the sets Difficulty: medium	3.5
2.	Equivalent or unequal or equal sets Difficulty: medium	2
3.	Determine the power set of the given set Difficulty: medium	2

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Methodical recommendation

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