A double ganit mala and an open number line can be used to explain the concept of subtraction of integers to students. Swati shows you how.

1. Subtracting Integers
on double ganitmala
and open number line

2. 2 Positive integers
9 – 4

11. 2 Positive integers
(+5) – (+8)

20. 2 Negative integers
(-5) – (-3)

29. 2 Negative integers
(-3) – (-5)

38. Positive and Negative integers
(+7) – (-2)

48. Positive and Negative integers
(-7) – (+4)

58. Idea thanks to ICSE class 6 textbook by Selina publications
Model from Shikshamitra
Execution by Swati Sircar
Shot at APU by Rajkishore Patnaik of ETD team