Read each question carefully and choose the answer that you think is most likely to be correct. You can only choose one answer for each question. When you are ready, mark your answers in the spaces on the computer screen and click on the button 'Send answers'. Good luck!

1.         8 + (-8) =

2.   6 - (-4) =

3.     -3 - (+4) = 

4.     -3 + (+5) - (-8) = 

5.    -7 - (-6) - (-3) = 

6.   

7.                                         

8.        

9.             

10.  

Percentage answered correctly =