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

1. 
2.1 - 1.0 = ______

2. 
3.7 + 0.3 = ______

3. 
844 ÷ 10 = ______

4. 
2.3 × 4.6 = ______

5. 
9 × 1.1 = _______

6. 
0.9 × 0.7 = _______

7. 
8 × 7.4 = ________

8. 
0.31 × 0.93 = ________

9. 
5.13 + ______ = 5.73

10. 
4.7 - _______ = 0.5

11. 
_______ - 6.35 = 2.48

12. 
0.4 + 0.2=

13. 
9.1 - 0.52 = _______

14. 
6.11 - ______ = 3.23

15. 
12.95 × 1.8 = ______

16. 
62.13 - 58.52 = _______

17. 
0.2 × 0.10 = _______

18. 
9.1 - _______ = 1.8

19. 
0.00 + 3 =

20. 
0.8 ÷ 4 = ______