Page 126 - New Medley 3 Semester 1

3 Subtraction C-4.1, C-4.3, C-5.1
Competencies

In class II you had learnt how to subtract numbers upto 3-digits. Now
we will learn how to subtract numbers upto 4-digits. Before we go ahead

let us recall what we had learnt in class II.
Let us Recall 21st CENTURY SKILLS • Initiative and Self-direction

1. Subtraction (By regrouping)

745 – 234

= hundreds + tens + ones – hundreds + tens + ones

= – hundreds + – tens + – ones

= hundreds + tens + ones =

2. Subtract:

(a) H T O (b) H T O (c) H T O (d) H T O

7 5 7 8 8 6 8 6 5 9 1 4
– 3 2 4 – 6 4 2 – 6 2 6 – 6 3 7

3. A shopkeeper had 452 pens in his stock. He sold 231 of these. How many
pens are left with him?

H T O

–

124