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SAT Learning LabFocused practice. Better diagnostic routing.
Reading & Writing · Central Ideas

Main Idea Zoom

Find the passage spine. Size up every answer.

The SAT hides the best main idea among answers that may be accurate but too small, relevant but too large, or close enough to disguise a distortion. Build the passage-wide idea first—then classify the traps.

1
Read for repetitionNotice the idea the passage keeps returning to.
2
State the spineSay what the entire passage is mainly doing.
3
Size every answerSort each choice by its relationship to the whole.
4
Protect the scopeDo not add, shrink, reverse, or exaggerate.

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Points0
Time—
Full zoom

Step 1: Build the passage spine

Which statement best captures what the entire passage is doing?

Predict first

Step 2: Sort the answer choices

Use each label once. Classify every answer by its relationship to the whole passage.

One of each
Too narrowTrue detail, but only one piece.
Too broadRelated topic, larger than the passage.
DistortedChanges, reverses, or exaggerates.
Whole-passage matchCentral idea at the right scope.
Choose a passage spine to continue.
Session complete

Passage spine0%Built the central idea before evaluating choices.
Answer sizing0%Classified narrow, broad, distorted, and match answers.
Full zoom0%Secured every decision in the case.

Skill breakdown

Diagnostic read