Number span · Backward
Remember a string of digits shown one at a time — the classic test of short-term memory.
Digits appear one after another. When they stop, type them on the keypad. Each success adds one digit. Enter the sequence in reverse order — the last one first.
How to play
Digits appear one after another. When they stop, type them on the keypad. Each success adds one digit. Enter the sequence in reverse order — the last one first.
What it trains
Holding numbers, letters and words in mind — the memory you use for phone numbers, PIN codes and lists.