1, it is more complicated to make arithmetic easy before it is difficult, but it is difficult for children to accept if they are taught difficult arithmetic from the beginning. Parents can integrate life into their children's math study.

2. Remember large numbers in your mind, add and subtract decimals: remember large numbers in your mind and count up decimals, for example, 4+2= remember 4, count up 5 and 6, and then get the result: 4+2=6 Subtraction: remember large numbers in your mind and count down decimals, for example, 6-3= remember 6, count down 3, 5, 4, 3, etc.

3. Use decomposition skills to teach children from the beginning of decomposition and combination. At the same time of division, use language to express. Be sure to swim. Say it. The child who can speak out means that she really has it. Start with less than 5. Let's talk about decomposition 2 first. Remember to put them together after each separation.

4. The first thing to remember is that 10 plus a few equals 10, such as10+1=1/kloc-0+2 =12. The second thing to remember is1+1= 2,2+2 = 4,3+3 = 6,4+4 = 8,5+5 =10,6+6 =12,7+7.