ADDITION AND SUBTRACTION

ADDITION AND SUBTRACTION

CLASSES: 1 TO 5

ADDITION 

• DEFINITION : ADDITION MEANS PUTTING TOGETHER 

• FOR EXAMPLE : SONA GAVE YOU 5 APPLES AND YOUR FATHER GAVE YOU 1 MORE APPLE , SO TO FIND HOW MUCH APPLE YOU HAVE WE CAN COUNT FROM 5 - SIX , SO YOU HAVE 6 APPLES.

SUBTRACTION 

• DEFINITION : TAKING AWAY 

• FOR EXAMPLE : MENHA  HAS 5 MARBLES , MENHA  GIVES 2 MARBLES TO HER FRIEND AND 1 MARBLE TO HER COUSIN . HOW MANY MARBLES ARE LEFT WITH MENHA?

• HOW TO FIND THE ANSWER : WE HAVE TO FIND HOW MANY MARBLES SHE GIVE TO HER FRIEND AND COUSIN , IT IS 3 NOW WE HAVE TO COUNT BACKWARD FROM FIVE THREE TIMES . THE ANSWER IS : 3 . SO MENHA HAVE 3 MARBLES LEFT

PROPERTIES OF ADDITION

• IF WE ADD 1 AND 0 OUR ANSWER ALWAYS WILL BE 1.

• THE SYMBOL OF  ADDITION IS PLUS ( + ) MEANS ADDING

• IF WE ADD 1 TO ANY NUMBER THE ANSWER WILL BE NEXT NUMBER

PROPERTIES OF SUBTRACTION

• IF WE SUBTRACT 0 WITH ANY NUMBER THE ANSWER WILL ALWAYS BE 0 

• SYMBOL OF SUBTRACTION MINUS  { - } MEANS TAKING AWAY .

• FOR EXAMPLE : 10 - 5 = 5 , 0 - 70 = 0 . 

WORKSHEET 1 

SOLVE THE ADDITION AND SUBTRACTION PROBLEMS.

Multiple Choice

1. WHAT IS 25 + 10 + 8

• 60

• 29

• 43

Multiple Select

6 + 35

• 48

• 42

• 41

• 43

Multiple Choice

1.SOLVE 366 - 96

• 270

• 380

• 1150

Multiple Select

1. 2. 54 - 23

• 30

• 31

• 32

VERY GOOD

NOW I WILL EXPLAIN SOME WORD PROBLEMS.

UNDERSTAND IT .

1. RUHI WANTS TO JOIN 1123m OF ROPE AND 2315m OF ROPE . WHAT WILL BE THE LENGTH OF ROPE AFTER JOINING ?

ANSWER : LENGTH OF FIRST ROPE = 1123m
LENGTH OF SECOND ROPE = 2315m
TOTAL LENGHT OF A ROPE AFTER JOINNING = 1123 + 2315 = 3438
               1123
           +  2315
    --------------------
              3438
    --------------------

2. IN AN ORCHARD , THERE ARE 1765 COCONUT TREES AND 987 MANGO TREES . HOW MANY TREES ARE THERE IN ALL ?

ANSWER : NUMBER OF COCONUT TREES = 1765
                  NUMBER OF  MANGO    TREES = 987
                  NUMBER OF TOTAL TREES  = 1765 
                                                                  +  987
                                                          ---------------------------
                                                                      2752
                                                          --------------------------- 

3. FIND THE SUM IF TWO ADDENDS ARE 5865 AND 4397

ANSWER :    5865
                   +4392
            ------------------
                  10262
           -------------------
                              ANSWER - 10262
                                                -------

4. FRAME A WORD PROBLEM USING 1980 TOURISTS AND 2100 TOURISTS ?

ANSWER : IN  DELHI TO SEE TAJ MEHAL ON SUNDAY 1980 TOURISTS WERE THERE AND ON TUESDAY 2100 TOURISTS WERE THERE  . HOW MANY TOURISTS ARE THERE IN ALL ? 
ANSWER : TOURISTS ON SUNDAY  = 1980 
                  TOURISTS ON  TUESDAY = 2100 
                   TOURISTS IN ALL DAYS  = 1980 + 2100 
                                 = 4080

5. WHAT IS 285 MORE THAN 9684 ? 

ANSWER : 9684 + 285 = 9969
                            ANSWER IS  - 9969 .

6. WRITE THE ANSWERS OF THE FOLLOWING  WITH PROPERTIES OF SUBTRACTION :
a } THE NUMBER FROM WHICH WE SUBTRACT IS CALLED  - MINUEND.

b} THE NUMBER WHICH IS TO BE SUBTRACTED IS CALLED - SUBTRAHEND.

c} THE ANSWER OF SUBTRACTION IS CALLED - DIFFERENCE .

7. THE BAKERY IN A VILLAGE HAS 1100 CAKES , 200 CAKES WERE  SOLD  , 100 CAKES WERE GIVEN TO THE POOR PEOPLE HOW MANY CAKES ARE THERE IN THE BAKERY NOW ?

ANSWER : 1100 - 200 - 100 = 800
                          = 800

8. THERE ARE 67 BIRD FAMILIES LIVING NEAR THE MOUNTAIN . IF 32 BIRD FAMILIES FLEW AWAY FOR DINNER . HOW MANY BIRD FAMILIES WERE LEFT NEAR THE MOUNTAIN ?

ANSWER : BIRD FAMILIES LEFT IN THE MOUNTAIN = 67 - 32 
                      = 35

9 . THERE WERE 1000 GRAPES IN A BASKET . JOHN JUMPS ON THE BASKET 99 GRAPES GOT SMASHED  . 35 GRAPES WERE EATEN BY HIS BROTHER MANU . 15 GRAPES WERE EATEN BY JOHN . HOW MANY GRAPES ARE LEFT IN THE BASKET NOW ?

ANSWER : 1000 - 99 - 35 - 15 = 851
                                   = 851

10 . JAMES HAVE 133 PENCILS . HE GIVES 19 PENCILS TO HIS BROTHER AND 41 PENCILS TO HIS FRIEND HOW MANY PENCILS ARE LEFT WITH JAMES NOW ?

ANSWER : PENCILS JAMES HAVE - 133 
                  PENCILS JAMES GIVE TO HIS BROTHER - 19 
                   PENCILS JAMES GIVE TO HIS FRIEND - 41    
                      133 - 19 - 41 = 73 
SO PENCILS LEFT WITH JAMES = 73 

WORKSHEET 2 

SOLVE THE WORD PROBLEMS.

Multiple Choice

1. 1. IN A AQUARIUM THERE ARE 12 YELLOW FISHES , AND 16 RED FISHES . HOW MANY FISHES ARE THERE IN THE TANK ?

• 31

• 28

Multiple Select

1. 2. 118 SQUIRRELS SAT ON A TREE . SOME SQUIRRELS GO TO SEARCH FOR FOOD . THEN THERE WERE 51 SQUIRRELS ON THE TREE . HOW MANY SQUIRRELS GO FOR SEARCHING FOOD ?

• 67

• 41

Multiple Choice

1. 5. THERE WERE 61 PARROTS IN A PET SHOP . KEZIAH BROUGHT 12 PARROTS FROM THE SHOP . HOW MANY PARROTS ARE LEFT IN THE SHOP ?

• 40

• 49

Multiple Select

1. 6. Mr Sharma Gets 10000 as salary in a day . he buys 4 ice cream for his family for cost of 15 and buys 1 pair of school uniforms for his child for cost - 91 . he buys some fruits and vegetables for cost 41 . now how many money is left with him ?

• 5678

• 9853

very good 

THANK YOU!

I WILL UPLOAD A WORKSHEET ON THIS LESSON . JUST SEARCH IN EXPLORE ADDITION WORKSHEET .