Are you as good at Maths as the Parrots at Longleat?

Gap-fill exercise

  
Fill in all the gaps as quickly as you can. You only have 2 minutes. Press "Check" to check your answers when you have finished.

Fill in the gaps. You only have 2 minutes!
???

10 + 4 =

8 + 7 =

9 + 9 =

5 + 2 + 8 =

7 + 9 + 4 =

5 + 9 + 2 =

12 - 5 =

14 - 9 =

20 - 12 =

19 - 7 =

18 - 9 =

17 - 13 =

12 + 6 - 7 =

13 + 8 - 2 =

7 + 6 - 4 =

3 - 1 + 8 =

8 + 11 - 9 =

7 + 1 - 8 =

19 - 2 - 8 =

17 - 9 - 8 =