Find the value of the following :

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

1. (-4) + (+3)  =

2. (-4) + (-3)   =

3. (4) + (-3)   =

4. 7 + (-5)  =

5. &nsbp;25 + 9   =

6. 41 + 32  =

7. 52 + (-15)  =

8. 0 + 12  =

9. (-6) + (-6)  =

10. (-6) + (-13)  =

11. (-12) + (4)  =

12. (-19) + (-15)  =

13. (-7) + 0   =

14. (14) + 0   =