36 : 9 = 4
 
54 : 6 = 9
 
2 * 33 = 66
$\snippet{name: column_multiplication, x: 33, y: 2}$
 
4 * 25 = 100
$\snippet{name: column_multiplication, x: 25, y: 4}$
 
68 : 4 = 17
$\snippet{name: long_division, x: 68, y: 4}$
 
74 : 2 = 37
$\snippet{name: long_division, x: 74, y: 2}$
 
(25 + 75) : 25 = 25 : 25 + 75 : 25 = 1 + 3 = 4
 
(90 − 36) : 18 = 90 : 18 − 36 : 18 = 5 − 2 = 3