Archives for category: Addition

1.3.1 Understanding the Basics

1.3.2 Activity 1

1.3.3 Practice Problems

1.2.1 Properties of Addition

1.2.2 What is a whole number?

1.2.3 Addition of Whole Numbers

1.2.4 Addition Facts Table

1.2.5 Activity 1 

1.1.1 Understanding the Basics

1.1.2 Properties of Zero

1.1.3 Practice Problems