The following is my recommendation based on my real experience:
If you meet some kinds of figures showing the number, such as a car's number, for example "愛媛○せ41-97”, immediately pick up the 41-97,and tranfer it to 4,197.And then, pronounce it like four thousand, one hundred and ninety-seven.You must respond fast and quickly. Pronouning the figure slowly or at your usual speed not so fast is no good, meaningless. It is desirable for you to pronounce it as the same as foreigners.This tarining will surely bring you a good results in somooth pronunciation of genaral English sentences as well as figures.
It seems to me there is a big difference in pronunciation of figures between vetran speakers and beginners among Japanese people. It means the figure pronunciation is rather difficult in a practical situation.
Try it once and get result!
If you meet some kinds of figures showing the number, such as a car's number, for example "愛媛○せ41-97”, immediately pick up the 41-97,and tranfer it to 4,197.And then, pronounce it like four thousand, one hundred and ninety-seven.You must respond fast and quickly. Pronouning the figure slowly or at your usual speed not so fast is no good, meaningless. It is desirable for you to pronounce it as the same as foreigners.This tarining will surely bring you a good results in somooth pronunciation of genaral English sentences as well as figures.
It seems to me there is a big difference in pronunciation of figures between vetran speakers and beginners among Japanese people. It means the figure pronunciation is rather difficult in a practical situation.
Try it once and get result!