One example of a math game is done with the use of flash cards. You can let your child play with friends. You can flash the cards quickly containing different operations.
At the grassroots level, teachers in schools are given a packed curriculum for the year. Schools try to teach the students a number of procedures without delving much into its finer details. Hence, the student is left in a confounding position as to when a particular procedure must be used. The key ingredient to understanding math is constant practice and math assignment help. Unfortunately, this is not a common scenario among the popular math classes.
Learning math usually of course begins at young age, sometimes even at home, with learning numbers and counting. At kindergarten and then school, students then progress through arithmetic (addition, subtraction, multiplication, and division), and eventually to more advanced topics such as algebra, geometry, graphs and charts, and statistics.
Realize that children who are having difficulty with math dread math worksheets, which is reason why they procrastinate and do their homework at the last minute or after several reminds.