Jet Lag Sums

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Jet Lag Sums

Beat the jet lag one quick sum at a time. Fly across the world map with quick mental math starring pixel Ramón Cordero. Solve sums before each countdown runs out, build a streak and land in time for a steak dinner in this free math game.

Twist: One number is missing from each sum, like 7 + ? = 15, and you choose the one that fits.

Parody. Ramón Cordero has no involvement in making these games and does not endorse them. The character is an original pixel-art caricature.

How to play

Every sum has a gap: you see something like 7 + ? = 15, and the buttons offer numbers that could fill it. Pick the one that makes the sum true.
Tip: work backwards. For 7 + ? = 15, take 7 away from 15; for 6 × ? = 42, ask how many sixes make 42.
Each right answer flies the plane further along the route. A quick answer adds bonus points, and a streak of right ones multiplies them.
One wrong number, or letting the timer bar run out, sends pixel Ramón back to sleep. The gaps turn into times tables and two-digit numbers further along the map.
Start with a tap or the Space bar, then tap a button or press 1 to 4. Fly the whole route to reach the steak dinner.
Sound on M, pause on P or Esc; share your score when the plane lands.

Top 10 high scores

No scores yet: play a round and be the first on the board!

All-time top 10 scores in Jet Lag Sums
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The story

Twelve time zones in three days have left pixel Ramón Cordero with a serious case of jet lag. His watch says breakfast, his stomach says dinner, and the flight map on the seat screen says there is still a long way to go before the grill at the end of the trip. The only cure he knows is a round of Jet Lag Sums.

The only cure is a sharp mind. Every correct answer moves the little plane further along the route, every streak speeds it up, and a single wrong answer sends Ramón back to sleep. Reach the end of the map and a sizzling chuletón will be waiting on the table.