Deciphering stick-multiplication

Deciphering stick-multiplication (popularly known as Chinese, Japanese or Korean method in the internet) with big and small lattice and color-coded arrow cards.

Demonstrating multiplication with base10 blocks (hundreds, tens, units - sometimes known as flats-longs-units) - introductions, properties of multiplication and then the lattice for multi-digit numbers with the help of color-coded arrow cards.

This is a sequel to Initiating Multiplication.

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