A strong understanding of how to apply effective formative assessment strategies inside of the classroom allows a teacher to plan for just-in-time direct INSTRUCTION and Varied strategies.
A quick offline Formative Assessment Strategy
This is my favorite strategy for getting started with formative assessment. You need no technology to get started right away. I prefer to use this as an "Entrance Ticket" rather than an "Exit Ticket" because students have just enough time to partially forget the information and the retrieval helps them commit the information to long term memory.
56 Examples of formative assessment
5 steps for formative assessment
In the link below, Edutopia and Aaron Sams lay out a very thorough guide to using formative assessment in the classroom. The article references formative assessment as part of a flipped model, but the steps and strategies can still be applied in a setting that does not flip instruction. Click on the citation to access the website.