Here are a few ideas and great math sites to practice some skills that are explored each year.
Again these are very important life skills, making a budget, balanceing your check book,grocery shopping are just a gew examples that make addition an important skill to have.
Buying a set of flash cards(from a dollar store) and using them nightly is a great way to master the basic addition and subtraction math facts. You can also use a regular deck of cards to practice facts. Just display two cards at a time for each player in the game of WAR. Add (or Subtract) the value of the two cards to determine who wins the play. Face cards can be used if they are given a value such as zero or ten.
Remember that it takes time and LOTS of practice to master the basic math facts.
Flash Cards Matho Game Addition Hidden Picture game Subtraction Hidden Picture game Addition Concentration Addition with Regrouping Game Place Value Game Number Line Game Word Problems Create a Graph Ordering Numbers Number Words