HARTMANN COLLEGE

SESSION-2020-2021

CLASS-III

SUBJECT-MATHS

CHAPTER-2

ADDITION

Addition means putting together two or more numbers.

The total of the two numbers is called their sum.

The numbers to be added are called addends.

When we add 0 to any number ,the sum is the number itself.

When we add 1 to any number ,we get the next number.

Addition with carry over:

A+B=B+A

(A+B)+C=A+(B+C)

Exercise-2.1

Q1.Complete the addition table.

(To be done in the book itself)

(FULL EXERCISE NEEDS TO BE DONE IN THE BOOK EXCEPT Q5)

Q5.Read the word problems and do the sums.

a.Sunny took 55 pictures on Monday and 40 on Tuesday. How many pictures did Sunny take in all?

Ans: No. Of pictures on Monday=55

No. Of pictures on Tuesday=40

Total pictures=

Total pictures are 95.

b.Sally collected 48 sea shells yesterday and 51 sea shells today.How many sea shells does Sally have in all?

Ans: No.of sea shells collected

Yesterday =48

No.of sea shells collected

Today =51

Total sea shells=

Total sea shells are 99.

THANKYOU

MADE BY

KANIKA KHANDUJA

CLASS -III