Shiny

Quick subtraction with borrowing.

N-Back Level

Higher N = more positions to hold in mind

Session Report

Score

0/10

Avg Time

--s

Performance by Digit

Subtracting	Avg Time	Errors

Targeted Drill Recommended

Slow or error-prone when subtracting:

Detection Accuracy

0

Hits

0

Misses

0

False+

Normal

?

0

Correct

0

Streak

--

Avg

1-Back

Tap MATCH if same as 1 step back

0

Hits

0

Streak

0

False+