Application on cardinality of sets. Mathematics State Board, Class 9: lessons, tests, tasks.

1.	Solving problems using Venn diagram
2.	Cardinality problems on three sets
3.	Practical problem using Venn diagram
4.	Mind map

1.	Multiple choice questions Difficulty: easy	3
2.	Two mark example problems I Difficulty: easy	2
3.	Two mark example problems II Difficulty: easy	4
4.	Two mark example problems III Difficulty: easy	2
5.	Two mark exercise problems I Difficulty: easy	4
6.	Two mark exercise problems II Difficulty: easy	2
7.	Two mark exercise problems III Difficulty: easy	4
8.	Five mark example problems I Difficulty: medium	5
9.	Five mark example problems II Difficulty: medium	5
10.	Five mark example problems III Difficulty: medium	5
11.	Five mark example problems IV Difficulty: hard	5
12.	Five mark example problems V Difficulty: hard	5
13.	Five mark exercise problems I Difficulty: medium	5
14.	Five mark exercise problems II Difficulty: medium	5
15.	Five mark exercise problems III Difficulty: medium	5
16.	Five mark exercise problems IV Difficulty: medium	5
17.	Five mark exercise problems V Difficulty: hard	5
18.	Five mark exercise problems VI Difficulty: hard	5
19.	Five mark exercise problems VII Difficulty: hard	5
20.	Five mark exercise problem VIII Difficulty: hard	5
21.	Five mark exercise problems IX Difficulty: hard	10

1.	Choose the correct answer Difficulty: easy	3
2.	Say true or false Difficulty: easy	3
3.	Number of elements in the union of sets Difficulty: easy	3
4.	Number of elements in the intersections of sets Difficulty: easy	2
5.	Calculate the percentage Difficulty: medium	2
6.	Find the value of "x" Difficulty: medium	2
7.	Find the number of elements in only one set Difficulty: easy	4
8.	Determine the answer Difficulty: medium	5
9.	Evaluate the number of workers Difficulty: medium	5
10.	Drag the correct answer Difficulty: medium	5
11.	Determine the number of students Difficulty: medium	5
12.	Select the correct answer Difficulty: medium	5
13.	Find the number of students Difficulty: hard	5
14.	Complete the blanks Difficulty: hard	5
15.	Find the answer Difficulty: hard	5
16.	Fill in the blanks Difficulty: hard	5

1.	Find the value of x Difficulty: easy	1
2.	Prove the following Difficulty: easy	2
3.	Verify the data Difficulty: easy	2

1.

Methodical recommendation

Application on cardinality of sets