Wednesday, 6 January 2016

Measurement

Length , Weight , Capacity


1. The standard unit to measure length is Meter.
2. If we divide a meter into 100 equal parts, each part is called a Centimeter.
3. 1 meter = 100 centimeter.
4. The kilogram is standard unit for measuring weight.
5. 1000 grams = 1 kilogram
6. The liter is a standard unit for measuring liquids.
7. 1000 millimeters = 1 liter
8. The amount of water that is needed to fill container such as a pot, a basket, a drum or a pan is called the capacity of the container.


Q. Convert the meters (m) into to centimeter (cm)
1. 1m = 100cm
2. 3m = 300cm
3. 5m = 500cm
4. 7m = 700cm
5. 9m = 900cm


Q. Convert the liters (l) into millimeters (ml).
1. 1l = 100ml
2. 3l = 300ml
3. 5l = 500ml


Q. Convert the millimeters (ml) into liters (l).
1. 500ml = half liter
2. 1000ml = 1l
3. 4000ml = 4l
4. 6000ml = 6l


Q. Fill in the blanks.
1. 3l = 3000ml
2. 8l = 8000ml
3. 1l = 1000ml
4. 6l = 6000ml


Q. Convert the kilogram (kg) into grams (g)
1. 1kg = 1000g
2. 4kg = 4000g
3. 5kg = 5000g


Q. Convert the grams (g) into kilograms (kg)
1. 1000g = 1kg
2. 2000g = 2kg
3. 5000g = 5kg


Q. Fill in the blanks.
1. 3kg =  3000g
2. 1kg = 1000g
3. 5kg = 5000g
4. 6kg = 6000g



Number Work

Q. Write the number names.


2365: Two thousand three hundred and sixty five.
4587: Four thousand five hundred and eighty seven.
7862: Seven thousand eight hundred and sixty two.


Q. Write in ascending and descending order.
1. 1468, 3758, 7963
Ascending : 1468, 3758, 7963
Descending : 7963, 3758, 1468,


Q Write in Figures.
1. Two thousand and twelve: 2012.
2. Six thousand and six: 6006.


Q. Write in expanded form.
1. 1789: 1000 + 700 + 80 +9
2. 635: 600 + 30 + 5


Q. Tables
1. 9 x 9 = 81
2. 3 x 7 = 21


Q. Write in the ascending and descending order.
1. 3524, 2167, 8311
Ascending: 2167, 3524, 8311
Descending: 8311, 3542, 2167


Q. Match


7 x 3   |  6
555     |  21
7 +3    |  500
8 - 2    |  10


Ans
1. 7 x 3 = 21
2. 555 = 500
3. 7 + 3 = 10
4. 8 - 2 =  6









Multiplication

   7 - Multiplicand
x 3 - Multiplier
-----
 21 - Product


Q1. Fill in the blanks.
1. Any number multiplied with the numeral the answer is the same number eg. 8x1 = 8.
2. Any number multiplied by o thousand is also zero eg 5x0 = 0.


Q2. Multiply.


   6                5
x 5             x 8
----            -----
30                40
Ans: 30    Ans 40




    H  T  U  
         4  1 
  x         3
------------
       1 2 3


Ans: 123




2.
H T  U
1
2 4
x     3
7 2
Ans: 72


3.
H T  U
1
1 8
x     2
3 6
Ans: 36




4.
H T  U
3
1 6
x     6
9 6
Ans: 96


5.
H T  U
1
2 8
x     2
5 6
Ans: 56




Q. Word Problems
1. There are 8 trees in a row. How many trees are there in 5 row?


There are    8 trees in a row
There are x 5 rows
                ----
There are  40 trees in five rows.


Ans: There are 40 trees in five rows.


2. There are 7 days in one week. How many days are there in four weeks?


There are   7 days in one week.
There are x4 weeks
               ----
There are   28 days in four weeks.


Ans: There are   28 days in all.




Q. Multiplication:


1.
T U
1
2 4
x   3
7 2
Ans: 72


2.
T U
3 0
x   4
12 0
Ans: 120


3.
T U
2
4 3
x   7
30 1
Ans:   301



Q. Solve the following word problem.


1. The cost of one pen is rs. 25. What is the cost of 5 such pens?


                                         T U
                                         2
The cost of one pen is rs  2 5
cost of 5 pens is rs          x   5
                                      -------
The cost of 5 pens is rs    125
bo
Ans the cost of 5 pens is rs 125.


2. There are 6 boys in a row. How many boys are there in 4 row?


                  T U
                  2
There are   1 6 boys in a row
There are x   4 rows
                 ------
There are    6 4 boys in four rows.


Ans: There are 64 boys in four rows.


Q. Solve


1.
H T  U
1
1 4 2
x     4
5 6 8
Ans: 568


2.
H T  U
1
1 0 6
x     3
3 1 8
Ans: 318


Q. Solve the following word problem


1. There are 24 fruits in a basket. How many are there in 3 baskets?


                  T U
                  1
There are   2 4 fruits in a basket
There are x   3 baskets
                 ------
There are    7 2 fruits in three baskets.


Ans: There are 7 2 fruits in three baskets.


2. There are 55 boys in a class. How many boys are there in 4 class?


                  T U
                  2
There are   5 5 boys in a class
There are x   4 class
                 ------
There are  2 2 0 boys in all


Ans: There are 220 boys in four class.


Q. Arrange vertical and solve.


1. 30 x 2


T U
3 0
x   2
6 0
Ans: 60


2. 46 x 4


T U
2
4 6
x   4
1 8 4
Ans: 184


3. 212 x 3


H T  U
2 1 2
x     3
6 3 6
Ans: 636


4. 150 x 5


H T  U
2
1 5 0
x     5
7 5 0
Ans: 750


Q. The cost of one pen is rs. 5. What is the cost of 60 such pens?


                                         T U
                                        
There are                          6 0 pens
cost of one pen rs          x   5
                                      -------
The cost of 60 pens is rs    300
bo
Ans the cost of 60 pens is rs 300.







Thursday, 15 October 2015

Maths Revision

Q1. Choose the correct option and fill in the blank.


1. Quarter is written in the fraction form as 1/4.      (3/4 ,  1/4)
2. 7 x 4 = 28       (28 , 38)
3. 9 x 7 = 63       (63 , 53)
4. Eight thousand eight hundred and eighty eight = 8888      (9999 , 8888)
5. 4321 = 4000 + 300 + 20 + 1       (200 , 300)
6. 537 is an odd number.         (even , odd)
7. 6 x 6 = 36             (25 , 36)
8. 4040 = Four thousand and forty.      (Four thousand and four , Four thousand and forty)
9. 303 = The place value of 3 is 3.        (30 , 3)
10. 6 x 8 = 48.          (48 , 58)


Q2. Operations on numbers
Add:


  TH  H  T  U                 TH  H  T  U
                                           1
      7  0  7  0                       4  4  5  5
  +  1  2  2  2                    + 1  6  2  3
  --------------                   --------------
      8  2  9  2                        6  0  7  8


Ans= 8292                      Ans= 6078




Subtraction:


  TH  H  T  U                 TH  H  T  U
                                                   7  17
      3  8  6  4                       3  0  8  7
  -  1  1  1  4                    + 1  0  7  8
  --------------                   --------------
      2  7  5  0                        2  0  0  9


Ans= 2750                      Ans= 2009


Q3. Draw and show the given fraction?


1.  1/2
2. 3/4


Q4. Word problems


a. In a cupboard there are 2577 textbook and 1133 notebook. How many books are there in all?
                                     TH  H  T  U
                                             1  1
In a cupboard there are   2   5  7  7 textbook
and                               + 1   1  3  3 notebook.
                                     --------------
There are                         3  3  1  0 books in all.


Ans= There are 3710 books in all.


b. There are 5757 benches in class and 1102 benches are placed in the class. How many benches are now in the class altogether?


                                     TH  H  T  U
                                              
There are                         5   7  5  7 benches in class
and                               + 1   1  0  2 benches are placed in the class
                                     --------------
There are                         6  8  5  9  benches in the class.


Ans: There are 6859 benches in the class.


c. Neelakshi had 8888 chocolates  she gave 3333 chocolates to her sister. How many chocolates Neelakshi have?
                       TH  H  T  U


Neelakshi had     8  8  8  8 chocolates
she gave           -  3  3  3  3 chocolates to her sister
                        --------------
                            5  5  5  5 chocolates Neelakshi have.


Ans= Total 5555 chocolates neelakshi have.


d. Arham have 8980 flowers he used 3890 flower for the birthday party. How many flowers are left with him now?
                       TH  H  T  U                
                                8  18
Arham have        8   0 flowers
he used              - 3  8  9  0 flower for the birthday party
                         --------------
There are              5  0  9  0 flowers left .


Ans= There are 5090 flowers left with Arham.


Q4, Look at the table given below and answer the following questions.


Mobiles                         Number of  Mobiles
Nokia                             000
I-Phones 6+                   00000
Samsung                        0000000000
Lenovo                          00000


a. How many mobiles are there in the table?
Ans= 4 mobiles


b. Which has the maximum numbers of mobiles?
Ans= Samsung


c. Which mobiles are of same number?
Ans= I-Phones 6+ and Lenovo


d. Name the mobile which has 3 numbers?
Ans= Nokia













Addition With Carry Over

Q1. Add


  T U             T U               H T U            H T U
  1                  1                       1                    1
  3 5               7 8                 4 6 9              5 2 7
+1 6             +1 8               +2 1 3           +4 1 6
------           -------              --------          ---------
  5 1                9 6                 6 8 2             9 4 3


Ans= 51   Ans= 96        Ans= 682      Ans= 943




Q2. There are 57 orange sweets and 25 lemons sweets in a jar. How many sweets are there in all?
                 T U
                 1
There are  5 7 orange sweets
and         + 2 5 lemons sweets in a jar
                -----
There are  8 2 sweets in all


Ans= There are 82 sweets in all.




Q3. Add 


  H T U         H T U         H T U
  1  1             1  1             1  1
  3  5  6         4  9  1         7  8  7
+4  5  7       +3  5  9       +1  8  3
---------        ---------       ---------
 8  1  3           8  5  0         9  7  0


Ans= 813   Ans= 850   Ans= 970




Q4. There are 513 bananas and 289 apples in a box. How many fruits are there in all?
                H  T  U
                 1  1
There are  5  1  3 bananas
and         +2  8  9 apples in a box
               ---------
                 8  0  2  Fruits are there in all.


Ans= There are 802 fruits in all.


Q5. Add


  TH  H  T  U             TH  H  T  U             TH  H  T  U             TH  H  T  U          
      1  1  1                       1  1  1                      1  1  1                       1  1  1                  
      3  4  4  7                   5  3  1  6                  4  9  9  6                   6  1  2  8
   + 2  5  9  8                + 2  9  8  8              + 1  5  4  5                + 1  9  9  2
----------------              ----------------          ----------------             ----------------    
      6  0  4  5                   8  3  0  4                  6  5  4  1                   8  1  2  0


Ans= 6045                 Ans= 8304             Ans= 6541                Ans= 8120       


Q6. Arrange Vertically and Add


4397 + 2635


  TH  H  T  U
      1  1  1
      4  3  9  7
   + 2  6  3  5
  --------------
      2  0  3  2


Ans= 2032






6048  +  1268


  TH  H  T  U
          1  1
      6  0  4  8
   + 1  2  6  8
-----------------
      7  3  1  6


Ans= 7316


Q7. In a school there are 4007 boys and 1195 girls. How many students are there in the school altogether?
                                 TH  H  T  U
                                         1  1
In a school there are    4  0   0  7  boys
and                            + 1  1  9  5 girls
                                 --------------
There are                     5  2  0  2 students are there in the school altogether.


Ans= There are 5202 students altogether in the school.





Tables Of 7 - 9

Tables Of 7


7  x 1 = 7
7  x 2 = 14
7  x 3 = 21
7  x 4 = 28
7  x 5 = 35
7  x 6 = 42
7  x 7 = 49
7  x 8 = 56
7  x 9 = 63
7  x 10 = 70


Tables Of 8
8 x 1 = 8
8 x 2 = 16
8 x 3 = 24
8 x 4 = 32
8 x 5 = 40
8 x 6 = 48
8 x 7 = 56
8 x 8 = 64
8 x 9 = 72
8 x 10 = 80


Tables of 9
9 x 1 = 9
9 x 2 = 18
9 x 3 = 27
9 x 4 = 36
9 x 5 = 45
9 x 6 = 54
9 x 7 = 63
9 x 8 = 72
9 x 9 = 81
9 x 10 = 90



Subtraction

        SUBTRACTION REVISION


Q1. Subtract


 U              T U          H T U          TH  H T  U
 7               6  8          9 0 6              8    5  8  5
-3             - 3 4         -5 0 2            - 3    2  5  3
----            ------        -------           ---------------
 4               3 4          4 0 4                5    3  3  2


Ans= 4   Ans= 34    Ans= 404     Ans= 5332


Q2. Fill in the boxes


1.  6 - 4 = 2
2.  9 - 1 = 8
3.  8 - 2 = 6









WORD PROBLEM REVISION


1. There were 756 eggs on a shelf of these 524 eggs broke. How many eggs are left?
                   H T U
There were 7  5  6 eggs on a shelf
of these     -5  2  4 eggs broke
Eggs Left   2  3  2


Ans= There are 232 eggs left.


2. There were 5738 leaves on a tree of these 1027 leaves broke. How many leaves are left?
                   TH H T U
There were   5  7  3  8 leaves on a tree
of these        1  0  2  7 leaves broke
Leaves left  -4  7  1  1


Ans= There are 4711 leaves left.


SUBTRACTION WITH BORROWING


Q1.    TH  H  T  U            TH  H  T  U             TH  H  T  U
                      6 12                          6 13                         2  11
              9  6                   8  4                    5  9 
            - 2  1  4  8               - 7  2  1  5                -  2  7  1  6
          ---------------           --------------               --------------
              7  5  2  4                  1  2  5  8                   3  5  1  5


Ans = 7542                    Ans= 1258                 Ans= 3515


Q2. There were 5341 books in a store of these 219 books were sold. How many books are left?
                   TH  H  T  U             
                               3  11
There were     5  3  1  books in a store
of these         - 2  1  1  9 books were sold.
                      ------------
                        3  2  2  2  books left in a store.


Ans= There are 3222 books left in a store.