1. 21 times 2 = ?

2. 21 times 6 = ?

3. 21 times 15 = ?

4. 21 times 18 = ?

5. 21 times 14 = ?

6. 21 times 7 = ?

7. 21 times 12 = ?

8. 21 times 4 = ?

9. 21 times 20 = ?

10. 21 times 19 = ?

11. 21 times 8 = ?

12. 21 times 10 = ?

13. 21 times 5 = ?

14. 21 times 17 = ?

15. 21 times 1 = ?

16. 21 times 3 = ?

17. 21 times 13 = ?

18. 21 times 9 = ?

19. 21 times 11 = ?

20. 21 times 16 = ?