Well the first one I had done 10 dailies and the counter didn't reset so the next day i only had to complete 15 dailies in order to "earn" the achievement. The second one I had bounced the ball back and forth about 20 times and hit it into the lake and missed. Then to my surprise after doing it 5 more times I earned the achievement.
Now either these two achievements are bugged or for some odd reason the dev team decided it was too hard for people to complete the achievements as described. Just wondering.