Theory
Exercises
1. 
Choose the right answers
Difficulty: easy 
4

2. 
Write the next three natural numbers
Difficulty: easy 
9

3. 
Mention the previous three whole numbers
Difficulty: easy 
3

4. 
Greater and lesser whole numbers
Difficulty: easy 
3

5. 
Mention the successor of given numbers
Difficulty: easy 
3

6. 
Write the predecessor of given numbers
Difficulty: easy 
3

7. 
Calculate the predecessor and successor
Difficulty: medium 
3

8. 
Numbers between the whole numbers
Difficulty: medium 
3

9. 
Select the right answers
Difficulty: medium 
3

10. 
Calculate the number of persons between two persons
Difficulty: hard 
4

11. 
Answer the following questions
Difficulty: hard 
3

12. 
Write the successor of given number
Difficulty: hard 
6

Tests
1. 
Training test
Difficulty: medium 
18

2. 
Training test
Difficulty: medium 
12
