change

Entities/Contracts/SubmissionDetail.cs

@@ -38,8 +38,7 @@ namespace Entities.Contracts
 		public bool? IsCorrect { get; set; }
 
 		[Column("points_awarded")]
-		[Precision(5, 2)]
-		public decimal? PointsAwarded { get; set; }
+		public float? PointsAwarded { get; set; }
 
 		[Column("teacher_feedback")]
 		public string TeacherFeedback { get; set; }