2nd grade parents

Brittaney • I have an amazing 6 year old who is my world. And an amazing husband who i thought id never find after my first who treated me like crap for 12 years!
Does anyone here have any kids in 2nd grade? My son is having a hard time in math,does anyone have any tips or any apps I can download to help him better? He is doing he common core and it's so frustrating! Any help or anything would be greatly appreciated!!