Drill all 72 until you don't have to think about them.
no-mouse is the professional norm
Mac and Windows keymaps genuinely diverge here — this deck follows your platform. Reference-cycling drills as F4 — Excel 365 for Mac accepts it, and the classic mac ⌘T is browser-reserved, as is Create Table (Ctrl+T / ⌘T), which sits out.
Level 1 free · no account · runs in the browser
Every deck is graded 1 to 6: level 1 is the reflex core, the top level is where the specialists live. One move from each, so you can see how far it goes.
Insert AutoSum for the selected range
the most common formula in the world, one chord
…and 7 more at this level
Insert cells/rows/columns at the selection
adds rows and columns without the right-click detour
…and 6 more at this level
Jump to the bottom edge of the current data region
the end of a ten-thousand-row column in one press
…and 15 more at this level
Flash Fill the column from your example
types the rest of the column after seeing one example
…and 14 more at this level
Apply currency format to the selection
two-decimal currency without touching the ribbon
…and 17 more at this level
Apply scientific notation to the selection
tames huge or tiny numbers into exponent form
…and 7 more at this level
How graduation works. Drill until every move in the deck holds at ≥95% first-try, under 800ms median, across two separate days. Then the deck is done — and you get a certificate stating exactly that, plus a LinkedIn credential in one click.