Game scores: gaining and losing points

Think of a number line. Moving up adds, and moving down subtracts.

1. Kai's team had −9 points. Then it lost 8 points. How many points does the team have now?
2. Dev's team had 10 points. Then it scored 7 points. How many points does the team have now?
3. Omar's team had 10 points. Then it lost 8 points. How many points does the team have now?
4. Lena's team had −7 points. Then it lost 3 points. How many points does the team have now?
5. Grace's team had 3 points. Then it lost 6 points. How many points does the team have now?
6. Femi's team had −3 points. Then it scored 12 points. How many points does the team have now?
7. Jamal's team had −9 points. Then it scored 8 points. How many points does the team have now?
8. Rosa's team had 1 points. Then it lost 14 points. How many points does the team have now?
9. Priya's team had −20 points. Then it lost 5 points. How many points does the team have now?
10. Dev's team had −6 points. Then it lost 12 points. How many points does the team have now?
11. Omar's team had 16 points. Then it lost 13 points. How many points does the team have now?
12. Hugo's team had −6 points. Then it lost 6 points. How many points does the team have now?
13. Chloe's team had −20 points. Then it lost 4 points. How many points does the team have now?
14. Isla's team had −6 points. Then it lost 24 points. How many points does the team have now?
15. Dev's team had 26 points. Then it lost 16 points. How many points does the team have now?
16. Hugo's team had −26 points. Then it lost 21 points. How many points does the team have now?
17. Tara's team had −36 points. Then it lost 49 points. How many points does the team have now?
18. Isla's team had −14 points. Then it scored 37 points. How many points does the team have now?
19. Rosa's team had 47 points. Then it lost 45 points. How many points does the team have now?
20. Grace's team had 55 points. Then it scored 14 points. How many points does the team have now?