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Across 2227 resources, 360 have a reviewed fit status for at least one exact file, 352 for all files, 8 have a mix of reviewed and unreviewed files, and 1867 have no reviewed fit status. The at-least-one and all-file counts overlap. A reviewed status can say that learner fit does not apply.

Unreviewed does not mean unsuitable. Ordinary results include every resource. Task or preparation metadata can be reviewed while learner fit remains unknown. Reviewed for early learners and Prerequisite advised qualify only matching files with that fit evidence; no age, grade or difficulty is inferred.