Tutorials
Sign in
Random
Adding
ϟ
How many can you solve in
60 seconds
?
Maximum for addend 1
max
+
Maximum for addend 2
max
+
Max total
(optional)
Round length
60 seconds
0
1
2
min
:
58
59
60
sec
Round length 0 minutes, 60 seconds.
Swipe or scroll the wheels, or focus one and use ↑ / ↓.