Facts practice at home is easy!  It can include flashcards, verbal practice, board games, or computer games.  Here are some highly motivatating sites:  www.multiplication.com, www.coolmath.com, www.hoodamath.com, www.freerice.com, www.firstinmath.com.  Memorization of the facts is critical!  By committing them to memory now, they will experience mathematical success for the rest of their educational career.  No one learn the facts without diligent practice!