We live in a multi-cultural world. In the past you could get by with just knowing the language that your parents knew. However, that has changed and it is important that we prepare our children for the world that they will enter as adults.
There are a multitude of reasons to broaden your children's language base. Some colleges require a foreign language. Travel to foreign lands are enriching if they can understand what the people are saying. Future employment can hinge on knowing more languages. People who know more than one language earn more money. Stretching their brains to learn something new is enriching and fun!
If you have access to someone who speaks a different language this is a great way to start the learning process! Who do you have contact with who would be proud to share their knowledge? My children were fortunate enough to know a woman who taught them the basis of sign language. She was a wonderful resource and they formed a life long friendship with her that continues to this day. My daughter is even teaching her little girl the rudiments of the language and started communicating with her long before she started talking! If you do not know someone who signs then this is an excellent resource. Sign Language is used world wide!
The most commonly used foreign language in the western part of the United States of America is Spanish. I have worked in many different environments where knowing it would havve been very benificial. It is also one of the most used languages world wide. Having a working knowledge of this language can have multiple benefits for your child as a future worker. An easy place to learn it and begin using it is located here. Spanish is easily learned on the internet.
Be creative! Write the words on paper and then post them around the house on the corresponding places. Getting your child to recognize the words on a subcouncious level will improve their learning speed. We have the ability as homeschooling advicates to increase their knowledge in ways that are not available through the public school. Have fun and enjoy the journey!