Place Value Sections Model
53 x 27
50 +
20
+
7
50 x 20 = 1000
50 x 7 = 350
20
x 3
= 60
7 x 3 = 21
1000
350
60
21
+
1431
Expanded Notation Method
53 = 50 + 3
27 = 20 + 7
50 x 20 = 1000
50 x 7 = 350
3 x 20 = 60
3 x 7 = 21
53 x 27
+
1431
Algebraic Notation Method
53 x 27
= (50 + 3) x ( 20 + 7)
= (50 x 20) + (50 x 7) + (3 x 20) + (3 x 7)
= 1000 + 350 + 60 + 21
= 1431
Traditional Method
53
x 27
371
1060
+
1431
2
3
Must put a ZERO in the ones place when multiplying from the tens place.
Start in the ones place of the bottom number.