Tea set #140
Medium brew · three games · about 4 minutes
Cups in this set
Each cup counts when you play it at the level shown here.
A medium brew: the levels sit in the middle, with enough in each cup to keep you honest.
In this pot: hold it in mind, a steady eye, counting. It opens with Number Span and finishes with Odd One Out.
What is in the pot
| Cup | Game | Level | First task | Time |
|---|---|---|---|---|
| 1 | Number Span | Backwards · Easy | 3 digits, backwards | about 2 min |
| 2 | Quick Sums | Subtraction | 12 − 7 | about 1 min |
| 3 | Odd One Out | Medium | 4 × 4 to 6 × 6 | about 1 min |
The three cups
Cup 1: Number Span
Number Span, Backwards · Easy: carrying a number while it grows. The first number has 3 digits, each shown for 0.8 s; type it backwards.
Tip: Chunk the digits as they arrive: 4-7-2 becomes forty-seven, two. Two chunks are easier to carry than five singles.
Cup 2: Quick Sums
Quick Sums, Subtraction: steady mental arithmetic against a gentle clock. Sixty seconds; the first problem is 12 − 7.
Tip: A skipped problem costs less time than a long stare. Press OK and keep the rhythm.
Cup 3: Odd One Out
Odd One Out, Medium: searching a grid calmly for the one thing that differs. Twelve rounds on grids from 4 × 4 to 6 × 6; differences: a turned symbol ×4, a mirrored symbol ×3, a ring with its gap moved ×3, a dot more or less ×2.
Tip: For turns and mirrors, pick one feature of the symbol, like the foot of an L, and look only for where it points.
Every cup in set #140 has a fixed seed, so anyone who opens this set gets the same patterns, trails, sums and waits. Your own ticks and results are kept only in this browser.