The 4 Essential Instructional Strategies (page 28) are 1. Ask-Yourself Questions; 2. Annotation; 3. Sentence Frames & Starters; and 4. Repeat-Rephrase-Reword-Record.
The fifth Core Element of the Instructional Routines is 5. Math Practice Reflection (page 25-26).
Which of these 5 strategies feels most accessible for you to be able to do as a teacher? Which seems most challenging at this point?