Theory
Exercises
1. 
Find the numbers
Difficulty: easy 
4

2. 
Find the equal number
Difficulty: easy 
2

3. 
Who bought more and who bought less
Difficulty: medium 
2

4. 
Choose the correct sign
Difficulty: medium 
4

5. 
Drag the correct answer
Difficulty: medium 
4

6. 
Determine the numbers
Difficulty: medium 
4

7. 
Ascending order
Difficulty: hard 
5

8. 
Descending order
Difficulty: hard 
5

9. 
Determine the winning team
Difficulty: hard 
5

Tests
1. 
Training test
Difficulty: medium 
10
