This document appears to be an answer key for adding numbers represented by dominoes. It contains multiple dominoes laid out in a grid-like format with their dots shown and the sums of adding their dots written to the right of each row. The sums range from 18 to 81.

1. Name:
Domino Multiplication

2. ANSWER KEY
Add with Dominoes
Sums up to 18
4 7 28 8 9 72
7 6 42 9 2 18 5 8 40
3 7 21 9 9 81 7 8 56
6 6 36 4 6 24 9 5 45