Theory
Exercises
1. 
Choose the cooresponding coordinate
Difficulty: easy 
3

2. 
Say true or false
Difficulty: easy 
4

3. 
Locating a point in number line
Difficulty: easy 
2

4. 
Classify rational or irrational number
Difficulty: medium 
4

5. 
Difference of two numbers in the expression
Difficulty: medium 
3

6. 
Find a rational number between two numbers
Difficulty: medium 
3

7. 
Test the expression is rational or irrational
Difficulty: medium 
3

8. 
Determine the rational number between two numbers
Difficulty: hard 
4

9. 
Determine the first five rational number between two numbers
Difficulty: hard 
7.5

10. 
Determine the five rational numbers using two rational numbers
Difficulty: hard 
9

11. 
Calculate the five rational numbers between two rational numbers
Difficulty: hard 
8

Tests
1. 
Training test
Difficulty: medium 
9
