This document outlines lessons on opposite quantities combining to make zero. It includes:
- The aim and homework assignment for Lesson 1
- Instructions for a "Do Now" activity involving a Venn diagram
- Explanations and examples of addition of positive and negative numbers, absolute value, and the additive inverse property
- Rules for an integer card game to practice adding and discarding positive and negative numbers
- An example of representing a negative number as a temperature change
- A prompt for students to write a money-based word problem representing the expression 200 + (-200)