Turn your phone
This screen is made for a big screen. Sideways, everything fits.
Stay upright
learnbits
.app
Each digit has its place
1 of 10
0 points
30
Th
1,000
—
H
100
—
T
10
4
O
1
5
Wat is de waarde van de 4 in 45?
40
80
60
50