Swati shows you how a double ganit mala and an open number line can be used to explain the addition of integers to students. A 'double Ganit mala' is a string with sets of 4 different coloured beads that is used to model the number line.

1. Adding Integers
on double ganitmala
and open number line

2. Positive and Negative integers
-6 and 10

11. Positive and Negative integers
+7 and -5

18. 2 Negative integers
-6 and -2

25. Idea thanks to Jodo Gyan
Model from Shikshamitra
Execution by Swati Sircar
Shot at APU by Rajkishore Patnaik of ETD team