The idea of blocks of keys that work together with a resolved tonal centre is very important to grasp. This PDF and video introduce and explain how to add tonality to the rhythms you can improvise and play fluently.
The skill of reading simple rhythms fluently (step 2) must already be established, then reading shapes moving around the blocks is easy to add on. The tendency to read individual notes must be challenged and overcome. This PDF and video explain how to read tonal shapes.