They can start with asking simple math questions and going on to harder questions, as the child gets older. Parents should continually ask children mathematical computation questions and give positive feedback when they respond. Children love to receive positive feedback and that encourages continues growth.
Go Shopping! : You can cater this to all different ages. For young children, you can do a 'mock shop' and let them pretend to go shopping in a pretend store (your kitchen). Label certain items with easy to read prices and print some pretend money for them to shop with! For older children, you can let them help you in the actual grocery store with a specific shopping list. You can even set specific spending limits and give a specific amount of items and let them determine what they can afford, etc.
Learning math skills can be frustrating and complicated for children. In order to make things easier, schools are using new programs to help children learn math in a fun and simple way, mimicking computer games.
Trading is an art. By being aware of your intuition and your feelings, you may find that you are able to trade in unique and different ways. The only way to discover that is by documenting it. The information can be maintained separately or right on the charts that you use to execute trades. The key is to document your emotions, logic, and reasoning for entering and exiting trades. Through the accumulation of 10, 30, or 100 journal entries, you are able to reasonably determine how well you are doing.