In fact, if you successfully learn a few algebra concepts then you will want to have more. Practice is really important in algebra and you ca not expect to learn everything from online courses or tutorials. You need to go through the concepts and the principles of algebra again and again in order to learn them.
That still leaves the problem of memorizing a string of numbers, and here’s where the magic is. Teach children to skip count to the tune of a simple song. Have you ever wondered why children can learn the lyrics to songs so easily? It is because music can be used as a Mnemonic device, that is a strategy to assist with memorization. If you can associate the numbers with the sounds in a song, the children will not only learn them faster, but retain them much longer than they would memorizing them exclusively through repetition.