## Introduction: Lattice Multiplication

See multiplication through a different window!

### Teacher Notes

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## Step 1: Identify Problem

## Step 2: Create a Square and Put One Value on Top and One Value on the Right Side

## Step 3: Draw Diagonal Lines Across Each Box

## Step 4: Multiply Digits When They Correspond to the Same Box

Ex: 2 x 2 = 4 ( 0 in the top corner, and 4 in the bottom corner)

2 x 3 = 6 ( 0 in the top corner, and 6 in the bottom corner)

## Step 5: Add Numbers in Each Diagonal Section

Ex: 0 + 2 + 0 = **2**

Ex: 4 + 0 + 3 = **7 **

Ex: 6 = **6 **

ANSWER: Read number from left to right 276! (:

## Step 6: Continue Exploring Double-digit Multiplication!

You can jump to 40 seconds where the lattice explanation begins.

## Discussions

3 years ago

Thanks for sharing :)