Lets us check how much proficient are you in  Decimal Numbers ( Addition/substraction/Multiplication/ Division) ?

1. 
0.0805 ÷ 0.1 = _______

2. 
______ + 17.7 = 34.15

3. 
2.1 - 1.0 = ______

4. 
0.9 + ______ = 5.8

5. 
______ + 0.5 = 0.6

6. 
1.0 × 0.05 = _______

7. 
0.95 - 0.71 = ________

8. 
5.14 × 0.19 = _______

9. 
934 ÷ 100 = _______

10. 
4.7 - _______ = 0.5

11. 
0.06 + 0.03=

12. 
6.13 × 9.34 = _______

13. 
8.96 ÷ 1.6 = ______

14. 
6.1 + ______ = 7.8

15. 
0.00 + 3 =

16. 
6.5 × 6.6 = _______

17. 
6.14 - 2.43 = _______

18. 
2.78 + ______ = 4.68

19. 
_______ + 7.8 = 9.4

20. 
6.11 - ______ = 3.23