This document provides basics on solving equations using double number lines and open number lines. It discusses ideas and execution by Swati Sircar with models from Shikshamitra for teaching solving equations. The document was filmed at APU by Rajkishore Patnaik and his team.

1. Solving Equations
(basics)
on double ganitmala
and open number line

9. Idea and Execution by Swati Sircar
Model from Shikshamitra
Shot at APU by Rajkishore Patnaik of ETD team