You can score goals a lot easier by getting into the opponent's box. Do not sprint while in there and move close to the keeper. When he comes out, hold LT and press B until the power bar is about half way full. You will lob over the keeper and score almost every time.
Achievements
Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
Win Streak: 60 Games (50 points): Have a 60 game Winning Streak on Semi-Professional difficulty.
10 Goal Match Wonder (15 points): Score more than 10 Goals in a match on Semi-professional difficulty.
300 Game winner (30 points): Win 300 games in all competitions on any level difficulty.
Defender Man of the Match (35 points): Win Man of Match for a Defender more than 50 times in Semi-professional difficulty.
Midfielder Man of the Match (35 points): Win Man of Match for a Midfielder more than 50 times in Semi-professional difficulty.
Striker Man of the Match (35 points): Win Man of Match for a Striker more than 50 times in Semi-professional difficulty.
Goal Getter (35 points): Get an average of 4 goals per game over 50 game on Semi-Professional difficulty.
Undefeated (15 points): Remain undefeated for 50 games in Semi-Professional difficulty.
Fair Play Award (15 points): 20 Games without a card being shown in Semi - Professional difficulty.
Card Trading: Send a card (10 points): Trade a card away and have it accepted by another player.
Card Trading: Receive a card (5 points): Accept a posted trade offer for your Ultimate Team.
Collectors Album: Fill a country (30 points): Fill all of the pages of one country in the Collectors Album.
Collectors Album: All Balls (30 points): Complete the ball collection in the Collectors Album.
Collectors Album: Complete (100 points): Fill every page of the Collectors Album.
Golden Ticket (75 points): Win a Golden Ticket by creating an Ultimate Team and progressing through all five levels.
Win the UEFA Champions League (125 points): Guide your favorite club to the Ultimate Stage and win in the final.
Badge of Honour (200 points): Win the Champions League Badge of Honour by winning the Champions League three consecutive times.
Complete a Challenge (5 points): Complete any of the Champions League Challenges.
Buy a Silver Pack (5 points): Buy a Silver Card Pack.
Win an Online Match (5 points): Win an online ranked match.
Buy a Gold Pack (5 points): Buy a Gold Card Pack.
Collectors Album: 1 Squad (5 points): Complete 1 squad in the Collectors Album.
Win Streak: 10 Games (10 points): Have a 10 game winning streak.
Win Streak: 30 Games (15 points): Have a 30 game winning streak.
CL Challenge: Qualifying Round (10 points): Complete Qualifying Round Challenges.
CL Challenge: Group Stage (10 points): Complete Group Stage Round Challenges.