Multiplying using the Distributive Property:
Two digits by one digit
30
4 X 39 =
(4 x 30) + (4x9)
120 + 36 = 156
4
+
9
4 X 30=
4x9=
120
36
120 + 36= 156
Multiplying using the Distributive Property
Three digits by one digit
300
4 X 392=
(4 x 300) + (4x90) + (4 x2)=
1200 + 360 +
8
4
+
90
4 X 300=
4 x 90 =
1200
360
+ 2
4X2=
1200 + 360 + 8= 1568
8
Multiplying using the Distributive Property
Four digits by one digit
4 X 3925=
(4 x 3000) + (4x900) + (4 x20) + (4x5)=
4x3000=
4x900=
4x20
4x5=
+
3000
4X3000=
900 +
4X900=
20
4X20=
4
52 X 34 =
50
2
1500
200
60
+ 8
1768
Multiplying two digits by two digits
30
4
50 X 30 =
50 X 4 =
1500
200
2 X 30 =
2X4=
60
8
+
5
4X5=