2. If there are 10 crazy camels altogether, how many must be under the cloud? 4+ ? = 10

3. If there are 10 crazy camels altogether, how many must be under the cloud? 6 4 + 6 = 10

4. If there are 10 sneaky snakes altogether, how many must be under the cloud? 2 + ? = 10

5. 8 2 + 8 = 10

6. If there are 10 enormous elephants altogether, how many must be under the cloud? 5 + ? = 10

7. 5 5 + 5 = 10

8. If there are 10 wild wolves altogether, how many must be under the cloud? 7 + ? = 10

9. If there are 10 wild wolves altogether, how many must be under the cloud? 3 7 + 3 = 10

10. If there are 10 fantastic fish altogether, how many must be under the cloud? 9 + ? = 10

11. If there are 10 fantastic fish altogether, how many must be under the cloud? 1 9 + 1 = 10

12. If there are 10 terrible tigers altogether, how many must be under the cloud? 4 + ? = 10

13. If there are 10 terrible tigers altogether, how many must be under the cloud? 6 4 + 6 = 10

14. If there are 10 dangerous dinosaurs altogether, how many must be under the cloud? 8 + ? = 10

15. If there are 10 dangerous dinosaurs altogether, how many must be under the cloud? 2 8 + 2 = 10

16. If there are 10 gigantic giraffes altogether, how many must be under the cloud? 1 + ? = 10

17. 9 1 + 9 = 10