The tutorial that the TensorFlow authors offer for beginners goes step-by-step through some simple TensorFlow models. Among other things it teaches you about the high-level tf.estimator API for ...

TensorFlow also has a broad library of pre-trained models available for use in your projects. Code from the TensorFlow Model Garden provides examples of best practices for training your own models.

If you are adept at Python and remember your high school algebra, you might enjoy [Oliver Holloway’s] tutorial on getting started with Tensorflow in Python.