If the officer dictates: 'Adams was the second President.' Which spelling is correct?

Correct: 'Adams was the second President.' This sentence uses key vocabulary that may appear on the writing test. KEY SPELLING POINTS: (1) ADAMS — last name capitalized: 'A-d-a-m-s' (note 's' at the end; this is JOHN ADAMS, the second President's last name, spelled with the plural-style 's'); (2) SECOND — the number adjective spelled 'S-E-C-O-N-D' (not 'secund' or 'sekond'); (3) PRESIDENT — capitalized when used as a title: 'P-r-e-s-i-d-e-n-t.' Numbers and ordinals are useful vocabulary: 1 (one, first), 2 (two, second), 3 (three, third), 4 (four, fourth), 50 (fifty), 100 (one hundred). On the writing test, you may need to write number words OR numerals depending on the sentence. Common ordinal numbers: FIRST (1st), SECOND (2nd), THIRD (3rd), FOURTH (4th), FIFTH (5th), SIXTH (6th), SEVENTH (7th), EIGHTH (8th), NINTH (9th), TENTH (10th). Be careful with 'fourth' vs 'forth' — they're different words: FOURTH = 4th; FORTH = forward. PRESIDENTS in early U.S. history (for context): WASHINGTON (1st, 1789-1797); JOHN ADAMS (2nd, 1797-1801); JEFFERSON (3rd, 1801-1809); MADISON (4th, 1809-1817); MONROE (5th, 1817-1825). Lincoln was the 16th. Names of recent presidents change with elections — current is updated by USCIS regularly.