Vedic Maths — the ten methods

Each one worked line by line on numbers you choose

These are the ten methods the Thai contest criteria name for paper 2, which asks for the working rather than the answer. Type your own numbers and read the lines you would have to write.

Method

Vertically and crosswiseUrdhva-Tiryagbhyam
Any multiplication — one carry per column instead of a stack of shifted rows.

The working

1. 1.คอลัมน์ 1: 81
2. 2.คอลัมน์ 2: 117
3. 3.คอลัมน์ 3: 42
4. 4.9 3 1 2

✓ They agree