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Cornerstone Academicsโ My AppsTwo parts. The Grammar tab teaches parts of speech, clauses, sentence building, usage, and paragraphs. The Editing tab is sentence editing: the student types each sentence correctly. Editing has its own placement test, levels, and progress.
Placement test. A new student sees Take the placement test at the top of the Grammar tab, the same as on the Editing tab. The test goes through every grammar skill, two to four questions each, starting with nouns. Skills the student already knows are marked Known and skipped. Pause goes back to practice; Resume placement test picks up where they left off.
Practice only what is needed. One skill at a time: a one-screen Learn It lesson, then practice. A skill is Mastered after 5 right in a row on their own, or 8 of the last 10.
Marking skills. For parts of speech and clauses, the student marks the sentence: tap the words, or stamp s and v on subjects and verbs. A first miss shows a Hint It! and a second try. A second miss shows the answer and the Explain It! Only answers they get on their own count toward mastery.
Review keeps it. After 3 skills are mastered, short review sets mix 2 or 3 mastered skills. A skill that is missed twice in review goes back into practice for a refresher.
Choosing skills. For usage, sentence building, and paragraphs, the student picks the right word or the best version inside a short real-world passage (an email, a notice, a work memo).
Every answer is explained. Right or wrong, the student sees one sentence on why.
For teachers. The Skills tab shows the whole skill map. Tap any skill to see its lesson or to mark it Known, Needs practice, or Mastered by hand. The Progress tab has a printable summary.
Keyboard: press A, B, C, or D (or 1 to 4) to choose, and Enter to check and go on.
Real editing practice. Each sentence has a mistake. The student fixes the sentence by typing it correctly. The app does not point at the mistake. It only says whether the whole sentence is now correct.
Levels. Skills are grouped in levels, starting with capital letters and end marks and building to harder rules. A new skill always starts with a short rule card.
Start with the placement test. It gives one sentence per skill, in order, and stops after three misses. Skills the student already fixes correctly are marked Placed, and practice starts right where the student needs it. Each Placed skill is confirmed the first time it comes up again in review.
Mastery. A few skills are practiced at a time (2 by default). Fix three sentences in a row on the first try and the skill is mastered. Mastered skills come back for review. Miss one on the first try and it goes back into practice. Once a few skills are mastered, some sentences mix more than one rule.
Miss twice on a sentence? The app shows the corrected sentence with the changes marked, and the student fixes their sentence to match before moving on.
Changing level: in โ๏ธ Settings, a teacher can move a student to any level.
๐ Read-aloud: new skill rules are read aloud. Turn it on or off in โ๏ธ Settings.