Do this until you don't have to check your answers. Finally, take away the number line and do the same thing. You might want to do them in order first. Remember, if you learn just five of these in two weeks, but learn them well, you'll have learned them all by the end of the year. When you're done with the first half, add the next one or two biggest tables and go through the same process.
Quality is more important than quantity here.
It's a good idea to get a small number of tables so that you know them fast and easy and take a break to do something different. Then, go back and see if they are still fast and easy. If they're not, practice the hard ones with the number line, and consider learning smaller groups of them. Number charts You can also use a chart of the numbers 1-100, instead of a number line. It will take up less space - but your card with the times table on it will have to be smaller.