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• OBSERVE THE RUNS OF CRICKET MATCH AND FIND HOW MANY RUNS NEEDS TO WIN:-
• INDIA MADE 123 RUNS.
• SRI LANKA MADE 235 RUNS.
• HOW MANY RUNS INDIA NEEDS TO WIN ?

1

100

10

10

10

10

100

100

1

1

1

1

1

1

100

10

10

1

1

1

STEP :- 1

STEP :- 2

• NEEDS TO WIN ?

1

100

10

10

10

10

100

100

1

1

1

1

1

1

100

10

10

1

1

1

100

10

1

1

1

SO , INDIA NEEDS 113 RUNS TO WIN.

10

10

100

1

2

3

5

0

1

9

2

1

1

2

6

SUBTRACT

326

-117

_____

583

-265

_____

​

135

-126

_____

340

- 28

_____

642

-413

_____

100

10

1

4

7

4

1

3

6

8

6

3

8

3

3

8

3

1

6

EX- 1

EX- 2

3

1 :- 235 - 19

1

2

:- 474 - 136

2

SUBTRACT THESE :-

COUNT TO SUBTRACT :

• 1 :--48 - 13

13

23

33

43

10

10

10

10

5

48

, 10 + 10 + 10 + 5 = 35

SO , 48 – 13 = 35

SUBRACT THE FOLLOWING BY THIS PROCESS :-

-

1:- 80- 59

2 :- 60 - 45

3:- 55 - 35

​

​

4 :-45 - 37

FIND THE MISSING NUMBERS.

• LOOK AT THE NUMBER PATTERNS AND WRITE THE MISSING NUMBERS :-
• 100 , 200 ,300 ,-----,------, ------,700 ,------.
• 900, 800,700, -----, ------, 400 ,-----, -------.
• 300 ,250 , 200, -----,-----,------.
• 280, 260, 240, -----,-----,------.
• 125, 150, 175, 200,-----,250, -----,----.

​

MENTAL MATH

45

80

50

75

320

50

60

35

_

=

=

+

320

50

110

120

=

+

=

+

=

=

+

=

=

45

+

_

_

_

PROBLEM SUM:

• CHANCHAL SELLS SCHOOL SWEATER . IN 2 DAYS SHE SOLD SOME RED, BLUE AND GREY COLOURED SWETERS.
• LOOK AT THE BELOW AND ANSWER THE FOLLOWING :-
• HOW MANY GREY SWETERS DID CHANCHAL SELL IN 2DAYS?
• DID SHE SELL MORE RED SWETERS THAN BLUE SWETERS IN 2 DAYS?
• HOW MANY RED AND GREY SWETERS DID SHE SELL IN THE FIRST DAY__MORE THAN 120 OR LESS THAN 120?
• HOW MANY SWETERS IN ALL DID SHE SELL ON THE SECOND DAY__MORE THAN 140 OR LESS THAN 140?

RED

BLUE

GREY

GREY

SWETERS SOLD ON FIRST DAY:-

38

23

66

74

SWETERS SOLD ON SECOND DAY:-

40

23

89

THANK YOU