An atlas of methods
MULTIPLY
.
MAGIC
Seven ways
01 – 07
A
14
×
B
23
=
Product
322
01
Japanese Lines
02
Malkreuz
03
Rod Calculus
04
Napier's Bones
05
Vedic Cross
06
Chisanbop
07
6–10 Trick
08
Practice
Method 01
Japanese Lines
Japan — visualizes place-value products as intersections of drawn lines.
Draw diagonal groups — one per digit — for 14, then 23.
·
×100
·
×10
·
×1
14
×
23
=
?