This document discusses basic math operations like addition, subtraction, multiplication, and division. It also covers how to perform some of these operations, like addition and subtraction, using an abacus.

1. 1.
BASIC OPERATION FACTS
1.1 Addition Basic Facts
1.2 Multiplication Basic Facts

2. 1.3 Subtraction Basic Facts
1.4 Division Basic Facts

3. 2.1
ABACUS BASIC OPERATION - ADDITION

4. 2.2
ABACUS BASIC OPERATION - SUBTRACTION