Theory
Exercises
1. 
Convert the following number to standard form
Difficulty: easy 
2

2. 
Transfer to standard form
Difficulty: easy 
3

3. 
Change to usual form
Difficulty: easy 
4

4. 
Convert to standard form
Difficulty: medium 
3

5. 
Large numbers to standard form
Difficulty: medium 
3

6. 
Convert standard form to usual form
Difficulty: medium 
4

7. 
Thickness of wire
Difficulty: hard 
3

8. 
Express in usual orm
Difficulty: hard 
4

9. 
Rewrite the number in usual form
Difficulty: hard 
3

10. 
Select the correct usual form
Difficulty: medium 
3

Tests
1. 
Training test
Difficulty: medium 
9

2. 
Training test
Difficulty: medium 
10
