Teaching the subject to an older child may be a bit more difficult. There are many math problems out there that can be used to bring it down to their level. Using this subject in an everyday situation is a one idea. For example, tell a story that involves that child. If he goes to the store and buys a gallon of milk with a five dollar bill and the milk is only three dollars, how much money will he have left? Using word problems will help the child understand it more.
Treat math as part of playtime _ This is an extension of number 2. This should alert you that you can take math outdoors. As you walk or bike outside you will notice the house numbers on both sides of the street. Use this as an opportunity to explain odd and even numbers. Encourage kids to count their toys, such as cars, dolls, action figures, Lego pieces. Purchase stimulating toys such as puzzles and spatial toys such as shapes and blocks to bring out that interest in geometry. This allows you to integrate math without appearing to be pressuring them to learn.