Why it works
Summarizing and identifying the main idea are among the most commonly assigned and least well taught comprehension tasks. Teachers ask students to summarize or find the main idea constantly, but often without teaching how, as if these were simple acts of retelling, when in fact they are demanding cognitive work that many students do poorly, and doing them well both requires and builds deep comprehension. To summarize a text well, a student has to do several hard things at once: distinguish the central ideas from the supporting details and the merely interesting, understand how the text is organized so they can see its structure, condense a large amount of information into its essentials, and restate it in their own words rather than copying. Each of these is a genuine comprehension skill, and the common failures reveal where students struggle: a summary that is just the first sentences copied shows a student who cannot distinguish main from subordinate; a summary that includes every detail shows a student who cannot tell central from peripheral; a summary that is as long as the original shows a student who cannot condense; a summary in the author's words shows a student who has not processed the meaning into their own understanding. Because summarizing exposes all of this, it is both a window into comprehension and, when taught, a powerful way to build it, since the act of determining importance, grasping structure, and restating in one's own words is deep processing of the kind that strengthens understanding and memory. Teaching it explicitly means naming and modeling the moves. Determining importance: how to tell a central idea from a supporting detail, which often depends on the text's structure and the reader's purpose. Using text structure: recognizing how a text is organized (cause-effect, compare-contrast, problem-solution, sequence) as a scaffold for what the main ideas are. Condensing: techniques like deleting trivial and redundant information, grouping specifics under general categories, and selecting or constructing a topic sentence. Restating in one's own words: processing the meaning rather than copying, which is where real comprehension shows. And doing this with modeling, think-alouds, and guided practice, gradually released, rather than just assigning summaries and grading them. Summarizing also connects to writing and to retrieval, making it doubly valuable. The workshop helps teachers teach summarizing and main idea as the demanding skills they are, modeling the moves of determining importance, using structure, condensing, and restating.
The research: Research on summarization, determining importance, and comprehension.
The run-of-show
Choose your slot. The agenda, timings, and length update to match.
The core activity: teach the moves of summarizing
The heart of the session is modeling and planning explicit instruction in determining importance, using structure, condensing, and restating.
- Recognize summarizing as demanding: it requires distinguishing central ideas from details, grasping text structure, condensing, and restating in one's own words.
- Read the failures diagnostically: copied first sentences, every detail included, no condensing, or the author's words all reveal a specific struggle.
- Teach the moves explicitly: determining importance, using text structure as a scaffold, condensing techniques, and restating to process meaning.
- Teach with modeling, think-alouds, and guided practice, gradually released, rather than just assigning summaries and grading them.
Facilitator notes
- Summary failures are diagnostic: copied sentences, every detail, no condensing, or the author's words each point to a specific missing move.
- Restating in one's own words is where real comprehension shows; copying is the sign the meaning was not processed.
- It connects to writing and retrieval, so teaching it well pays off beyond comprehension.
Adapt it
- Elementary: model determining importance and restating in their own words on short texts with clear structure.
- Secondary: teach condensing techniques and using text structure on complex subject texts.
- Any setting: model and guide before releasing; a summary assigned without teaching reveals a gap but does not fill it.
Participant handout
One page for every teacher. Print it, or save it as a PDF.
Summarizing & Main Idea: importance, structure, condense, restate
Teach summarizing as the demanding skill it is: model determining importance, using structure, condensing, and restating in students own words.
- The summarizing move my students struggle with most:
- How I teach determining importance (central vs detail):
- How I use text structure as a scaffold:
- Condensing techniques I teach (delete, group, topic sentence):
- How I get students restating in their own words, not copying:
Make it stick
Summarizing taught well builds comprehension. Close by setting the follow-up:
- Name a check-in: are students determining importance and restating in their own words?
- Bring one summary that showed real comprehension and one that revealed a gap.
- Keep teaching the moves, not just assigning and grading summaries.