CBSE Class 4 Maths Revision Worksheet Set B

Question. An aeroplane takes 3 hours to cover 1,800 km.What distance will it cover in 5 hours?

Answer : 3000 km

Question.A bus can travel 75 km on 5 L of petrol. How many kilometres will it travel on 15 L of petrol?

Answer : 225 km

Question. A tailor uses 12 m of cloth to make 4 curtains of the same size.How much cloth will he need to make 10 such curtains?

Answer : 30 m

Question. A package of 4 copies of a book weighs 800 g .How much will 15 copies of the book weigh?

Answer :  3000 g

Question. Three cakes of soap (of the same size) weigh 210 g .How much do 20 such cakes of soap weigh?

Answer : 1400 g

Question. The cost of a toy is Rs 250 .Find the cost of 15 packets if each packet contains 4 toys.

Answer : Rs 15000

Question. Four bus tickets from Moregaon to Sonagarh cost Rs 720.How much will 10 tickets cost?

Answer : Rs 1800

Question. A factory makes 3,500 bicycles in 7 days. How many bicycles will it make in 30 days if things in the factory carry on the same way?

Answer : 15000 bicycles

Question. Eggs cost Rs 36 per dozen .How much will 18 eggs cost?

Answer : Rs 54

Question. If the cost of 2 kg strawberries is Rs 360.what is the cost of 250 g strawberries?

Answer : Rs 45

Q 1. MENTAL MATHS:-

(a) ________ is the unit of measuring angles .

(b) 55˚ is an _____ angle..

(c ) 5 hours= _______minutes.

(d) 1000 ÷100 = ____

(e) A ray can be measured. (T/F) ____

(f) An angle which measures ________ is called straight angle.

(g) A line has ___ definite length.

(h)34 x 2x4x0 = _____

(i) The arms of the angle POR are _____ and _________.

(j) 3 right angles make a _________turn .

Q 2. Solve:

(a) 4 – 6/5 (b) 3/2 of 42

Q 3. Draw an angle of 150.

Question. Fill in the blanks:-
a. The largest 5-digit number is….
b. The place values of the underlined digit in 905906 is….
c. The successor of 746329 is….
d. The number which is 1 less than 5000 is……
e. 1 million =…… lakhs

Answer : 1a.99999 1b.5000 1c.746330 1d.4999 1e.10

Question. Complete the pattern:-
a. 85,975 ; 85,950 ; 85,925 ;…………..
b.3,42,123 ; 3,43,123 ; 3,44,123 ; ……..
c.63,260 ; 63,300 ; 63,340 ;………….

Answer : 2a.85900    2b.3,45,123    2c.63,380

Question.The place value of 2 in the number shown on the Abacus is ………
a.20000
b.2000
c.200
d. 2

Answer : B

Question. 800000 + 7000 + 9 =……
a.807009
b.87009
c.80709
d.879

Answer : A

Question. Find the smallest 6- digit number formed by using the digits 2,0,4,5,7 and 1.
a.021457
b.210457
c.102457
d.210547

Answer : C

Question. Which number is 1000 more than 34567?
a.34667
b.35567
c.44567
d.36567

Answer : B

Question. Find the sum of the place values of 8’s in 830821.
a.800800
b.8080
c.808000
d.8008

Answer : A

Question. Find the predecessor of the largest 5-digit number.
a.10000
b.99999
c.99998
d.90000

Answer : C

Question. How many thousands make 6 lakhs?
a.6
b.60
c.600
d.6000

Answer : C

Question. What is the product of the place values of the place values of the two 7’s in 74071?
a.49
b.4900
c.4900000
d.490

Answer : C

Question. What is the difference between the place value and face value of the digit 9 in 59675?
a.8099
b.89991
c.8991
d.891

Answer : C

Question. Find the smallest 4-digit odd number.
a.1011
b.1001
c.1101
d.100

Answer : B

Question. Find the successor of the smallest 6- digit number.
a.100000
b.100001
c.999999
d.99999

Answer : B

Question. What is the greatest 4-digit number formed using different digits with 6 in the Tens place?
a.9876
b.9867
c.6987
d. 687

Answer : B

Q1. FILL IN THE BLANKS :

a. ……… is neither a prime number nor a composite number.

b. 13x5=65. 65 is a multiple of ……… and …….

c. Two successive numbers which are prime are ……… and…….

d. Is 4 a factor of 20? …………

e. The smallest multiple of a number is the number…………..

f. The sum of first three odd numbers is…………

g. The prime factors have exactly ……..factors.

h. The two factors of 31 are ……..and………

i. 7x8=56; 56 is a ………………of 7 and 8.

j. …………..is the third multiple of 15.

k. Ring the even numbers 365, 218, 119, 5, 366.

l. ………..and …….are the odd numbers between 96 and 100.

m. ………..numbers have only two factors; 1 and the number itself.

n. A number is divisible by 5 if it has ……..and………in its ones place.

o. 9156/……… ;Q=9 ;R=156

p. To find the cost of one notebook , when the cost of 12 notebooks is given, wee perform…………….operation.

q. Ring the composite numbers 48, 50, 51, 67, 53, 11.

r. 6x5=30; two division facts are …………and……….

s. 23,660 is divisible by 10 or 3?.............

t. Numbers 13 and 31 are both primes having numerals form,ed by same digits. Write down two more pairs having the same digits……………………

u. encircle two digit number that has 2,3,5 as its factors (a) 30 (b) 45

v. 1,2, ………,………,10 and 20 are all the factors of 20.

Q2. Make a factor tree for each of the following:
24, 15, 35, 48

Q3. Find all the factors of each of the following:
a. 48
b. 15
c. 60
d. 23
e. 69

Q4. Find the HCF of :
a. 12 and 18
b. 21 and 35
c. 48 and 64
d. 10 and 20

SOLVE THE FOLLOWING:-

1. A library has 3250 English books, 1448 Hindi books and 12342 Tamil books. Find the total number of books.

2. Mr Ali has `7844 with him. How much more money does he need, if he wants to buy a washing machine for `12,000?

3. Mr Kumar collects 8500 buttons on the 1st day and 7250 buttons on the 2nd day. How many more buttons should Mr Kumar collect on the 3rd day so that total number of buttons equal to 20000?

4. Ramu took 10000 mangoes to the market. 964 mangoes were rotten and 8435 mangoes were sold. How many mangoes are left with Ramu?

5. Circle the number which when rounded off to the nearest 100 is equal to 6500.
a) 6568
b) 6584

6. Circle the number which when rounded to the nearest 1000 is equal to 10000.
a) 9110
b) 10748

7. Circle the number which when rounded to the nearest 10 is equal to 9000.
a) 9078
b) 9108

8. Match the following:

a) 81 × 1 = 81                             i) order property of multiplication

b) 2 × 65 = 2 × (70 – 5)             ii) multiplication property of zero

c) 4 × 3 =12; 3 × 4 = 12            iii) distributive property of multiplication over subtraction

d) 3 × 44 = 3 × ( 40 + 4)           iv) grouping property of multiplication

e) 9 × 0 = 0                               v) multiplicative property of 1

f) (2 × 3) × 4 = 2 × (3 × 4)        vi) distributive property of multiplication over addition

9. Multiply using column method: 2214 × 6

10. Regroup and multiply: 5 × 130 × 30

11. There are 7126 dolls in a shop. Each doll has 23 dresses. How many dresses are there in all?

12. Solve: 5479 × 32

13.Divide the following and check your answers.

a) 145 ÷ 5 b)138 ÷ 6 c)147 ÷ 7 d) 4212 ÷ 9 e) 3402 ÷ 7 f) 5520 ÷ 6

14.Find the quotient and the remainder.
a) 23 ÷ 10
b) 670 ÷ 100
c) 8373 ÷ 10
d) 6616 ÷ 1000
e) 716 ÷ 100
f) 5830 ÷ 10
g) 9882 ÷ 1000
h) 5272 ÷ 100
i) 525 ÷ 100
j) 3331 ÷ 1000
k) 2020 ÷ 10
l) 89 ÷ 10

15.A factory produces 450 paper bags in a day. How many bags can be produced in a year?

16. A dealer buys 24 dozen cycles. If the cost of one cycle is `970, what is the total cost of 24 dozen cycles?

17. If one book has 472 pages, how many pages are there in 563 such books?

18. If 2472 mangoes are packed in 24 boxes. How many mangoes are contained in one box?

19. If 35 people can travel in a van, will 20 vans be enough for 722 people to travel?

20. If 35 books can be packed in a box, how many boxes are needed to pack 1365 books?

21. If 480 ÷ 10 = 48, 480 ÷ 30 = _____

22. If 5000 ÷ 100 = 50, 5000 ÷ 50 = ______

23. If 480 ÷ 6 = 80, then 480 ÷ 60 = ______

24. Check whether the first number is a multiple of the second number.
Write 'YES' if it is a multiple, otherwise write 'NO'.
a) 163, 13: ________
b) 192, 16: ________
c) 276, 24: ________

25. Write the first eight multiples of 12 and 16. Circle the common multiples.

26.Write the first five common multiples of 3, 4 and 6.

27.Write the first ten multiples of 8 and 18. List the common multiples.
Write the smallest and largest of these common multiples.

28. Which is the smallest common multiple of?
a) 2, 5 and 10 ________________
b) 2, 7 and 9 _________________

29. Write the common multiples of 6 and 12 lying between 100 and 150

30. Fill in the blanks.

a) 65 × 10 = __________

b) _____ × 100 = 72900

c) 305 × 1000 = _______

d) ____ × 6 × 25 × 4 = 30,000

Q1. Fill in the blanks: (1x10=10)

a) Perimeter of rectangle=___________________

b) In India, the unit of money is _____________

c) Quarter past 1 in the afternoon=________________(using am or pm)

d) Five- tenths=___________(in decimal)

e) 1 dam =____________m

f) Perimeter of a square of side 4 cm is _________

g) The time from 12 o’clock noon to 12 o’clock midnight is written as _________ (write the full form).

h) The decimal part in 42.56 is _______________

i) 100 kg=______________quintal

j) Every month starts with Sunday______________(True or False)

Q. 2 Do as directed: (2x8=16)

a) Convert the following into like decimals:

4.68, 3.5, 2.07, 8.414
……………………………………………………………………………………
b) Write 6 hundreds + 4 ones + 2 tenths+ 5 thousandths in short form
……………………………………………………………………………………

c) Find the perimeter of the following figure:

……………………………………………………………………………………
 

d) The time now is 10.20 p.m. What time will it be?

i) After 4 hours_________

ii) Before 2 hours_______

e) From a roll of 10m long electric wire, a piece of 4m 75 cm is cut. What is the length of wire left in the roll?
……………………………………………………………………………………
 

f) Make a calendar of a month having 30 days, whose first day is Wednesday.

g) Convert 14567 paise to rupees
……………………………………………………………………………………
 

h) Subtract `385.70 from `1432.65
……………………………………………………………………………………
 

Q.3 Do as directed:

a) The length of a square field is 175m. What distance will a boy cover in four complete rounds of the field?
……………………………………………………………………………………
 

b) Write 407.323 in expanded form
……………………………………………………………………………………
 

c) Write 12 dag 7g 8dg 5mg in decimal notation
……………………………………………………………………………………
 

d) Convert 4 weeks 3 days 5 hours into hours
……………………………………………………………………………………

Q. 4 Do as directed:

a)

i) Write the day on which 15th April falls. ____________

ii) How many Thursdays are there in the month? _________

iii) Write the date on which 3rd Friday of the month falls. __________

iv) Write the number of months having the same number of days. ___________

b) Out of a rectangular cloth of length 130m and breadth 100m and a square cloth with side 130m, which has more perimeter?
……………………………………………………………………………………

c) Pinky bought a toaster for `1275 and an iron for `945.50. If she had `5000, how much money is left with her?
……………………………………………………………………………………
 

Topic : Large numbers

Q.1. Write the number name of the following numerals :--

a. 28,576 =
Answer : Twenty eight thousand five hundred seventy six

b. 16,549 =
Answer : Sixteen thousand five hundred forty nine

c. 10,034 =
Answer :  Ten thousand thirty four

d. 34,642 =
Answer : Thirty four thousand six hundred forty two

e. 12,700 =
Answer : Twelve thousand seven hundred

Q.2. Write the number for the following number names :---

a. Twenty thousand seven hundred sixty eight =
Answer : 20,768

b.. Sixteen thousand three hundred twenty six =
Answer : 16,326

c. Twenty five thousand two. =
Answer : 25,002

d. Forty thousand forty. =.
Answer : 40,040

e. Eleven thousand eight hundred seventy nine =
Answer : 11,879

Q.3. Write the following numbers in an expanded form :--

a. 21,784 =
Answer : 20000 + 1000 + 700 + 80 + 4

b. 19,476 =
Answer :  10000 + 9000 + 400 + 70 + 6

c. 20,950 =
Answer : 20000 + 900 + 50

d. 40,008 =
Answer : 40000 + 8

e. 64,917 =
Answer : 60000 + 4000 + 900 +10 + 7

I) Fill in the blanks :

1) The standard unit of mass is __________________________________.

2) There are ____________________ seconds in 2 minutes.

3) The cost of 5 pens is

60, What is the cost of one pen ?

4) Area of a square is given by __________

5) A ______________ has two end points.

6) The place value of a digit becomes _________________ when the digit moves from left to right.

7) 0000hrs is _____________________ in the 12 hour clock time.

8) ___________________ is the standard unit for measuring length.

9) The cost of 1kg apples is SR6, and then 6 kg apples cost SR____________

10) The perimeter of a rectangle is given by _____________

11) To convert minutes to hours, we _______________________ the minutes by 60.

12) A __________________ has one end point.

13) The numeral for six hundredths is ____________.

14) There are ____________________ hours in one day.

15) The _________________ of a rectangle is given by l x b

16) 9 min =___________________seconds.

17) Price of 1 article = price of a given number of articles ____________

18) A point placed between the ones place and the one –tenths place is called the ______________ point.

19) Perimeter of a square is given by 4 __________.

20) 5 km = __________________m.

21) A ______________________ has no end points.

22) The minute hand takes ________________minute to move from one number to another number on the clock.

23) The sum of the length of the line segments enclosing a figure is the ______________ of the figure.

24) The standard unit for measuring capacity is ______________________________.

25) An exact location represents a __________________________________.

26) Half an hour is equal to _______________________minutes.

27) 4.5 is read as four and five __________________.

28) 7cm = _____________________mm.

29) The time between midnight and noon is called _____________________________.

30) _____________________ is the amount of surface occupied by an object.

31) A _______________________________ is a fraction whose denominator is 10 or power of ten.

32) Price of a number of articles is equal to the price of _______________________articles multiplied by the number of articles.

33) 10pm refers to10 O’ clock in the ________________________.

34) There are _______________________ millimeters in one centimeter.

35) The perimeter of a square of side 2cm is _______________________.

36) 16 l = _______________ml.

37) A line has ____________________________ length.

38) 15/100 = ____________________ [decimal]

39) A ______________________ is represented by a dot.

40) The time between noon and midnight is called

II) Choose the correct answer :

1. Quarter past five is written as
a) 5(1/4)
b) 5:15
c) 15:5

2. Perimeter of a rectangle of sides 3cm & 4cm is
b) 14cm
b) 12cm
c) 14 sq.cm

3. A ________________ has definite length.
a) Ray
b) Line
c) Line segment

4. 5.7 is
a) 57/10
b) 57/100
c) 5/7

5. 12m = __________________cm
a) 120
b) 1200
c) 12000

6. The cost of 5 books is ₹550.One book costs
a) ₹ 11
b) ₹ 10
c) ₹ 110

7. 1 hour after midnight is
a) 1a.m
b) 1 p.m
c) 1300hrs.

8. The numeral for five thousandths is
a) 0.005
b) 0.05
c) 5000

9. Standard unit for measuring length is
a) centimeter
b) meter
c) kilometer

10. Perimeter of a triangle of sides 2cm, 3cm, 4cm
a) 24cm
b) 9sq.cm
c) 9cm

11. If cost of a pencil is ₹4, a dozen pencils will cost _________________
a) ₹ 48
b) ₹ 40
c) ₹ 50

12. A ______________________can be extended on one side.
a) Line
b) Ray
c) Line segment

13. 3:45 pm is _______________hrs in the 24hour clock.
a) 0345hrs
b) 345hrs
c) 1545 hrs

14. 15cm= ________________mm
a) 1500
b) 150
c) 15

15. The area of a square of side 9cm is
a) 18cm
b) 81cm
c) 81sq.cm

16. 149/100 is written in decimal as
a) 14.9
b) 1.49
c) 0.149

17. There are ______________________ hours in 3 days
a) 72
b) 96
c) 48

18. 9Kg = _____________________g
a) 90
b) 9000
c) 900

19. Perimeter of a square is given by
a) l x b
b) side x side
c) 4 x side

20. 2020hrs is ____________________ in the 12 hour clock time. pm
a) 8:20
b) 8:20 pm
c) 10:20pm

21. The _____________hand of the clock makes one full rotation of the clock in 60 seconds.
a) seconds
b) minutes
c) hour

22. Six point zero zero eight is ________________________
a) 0.0068
b) 6.08
c) 6.008

III) Do the following :

1. Draw line segments of length.
a) 5cm
b) 6.5cm
c) 8cm

2. Change the fractions into decimals.
a) 2509/100
b) 12/1000
c) 3501/100

3. Change into minutes.
a) 12hrs
b) 9hrs
c) 6hrs 15minutes
d) 7200sec
e) 180sec
f) 540sec

4. Find the perimeter of :
a) A rectangle l=12 cm b=9cm
b) A square of side 8cm
c) A triangle of sides 15cm, 9cm and 10cm

5. Convert the following :
a) 15kg 250g to grams.
b) 5060ml to litres and ml.
c) 7cm 5mm to millimeters.
d) 444cm to meters and cm.
e) 9km 14m to meters.

6. Convert the time to 12 hour clock :-
a) 0830 hrs
b) 2145 hrs
c) 0015 hrs
d) 1205 hrs
e) 1555 hrs

7. Write as common fractions :
a) 0.45
b) 13.09
c) 6.007
d) 5.1
e) 0.352

8. Change into hours and minutes :
a) 445min
b) 750min
c) 1800min

9. Find the area of the following :
a) Square of side 11cm
b) Rectangle of length =7m, breadth = 6m
c) Square of side 24m.
d) Rectangle of length = 15cm, breadth = 9cm

10. Change into seconds :
a) 6min 36sec.
b) 15min
c) 9min 19sec.
d) 4min 25sec.

11. Add the following :

1 0 5 . 2 7
+ 3 1 . 0 6
   0 . 9 7 8

    kg . g
   1 7 . 4 5 0
1 2 3 . 0 7 5

 m . cm
1 9 . 1 6
2 4 . 9 5

12. Write as mixed numerals :
a) 6.935
b) 13.25
c) 1.05
d) 8.5

13. Convert to 24hour clock :
a) 6:45pm
b) 12:50am
c) 12:35pm
d) 11:05 am
e) 10:15pm
f) 4:10am

14. Find the difference :

a) 3 5 . 0 0 8
  - 1 6 . 3 4 9

     Km     m
b) 1 4 . 0 6 7
     - 9 . 1 2 3

    Km    m
c) 5 0 . 0 0
    - 9 . 7 5

d) 1 0 9 . 6 5
  - 8 4 . 0 1 3

     Kg     g
e) 5 1 . 6 7 8
  - 2 3 . 4 5 6

          l       ml
f) 2 1 2 . 5 0 9
 - 1 0 9 . 7 3 2

15. Write as morning times :
a) Nine thirty.
b) Three quarters past 3.
c) Half past seven.
d) Quarter past 9.

16. Write as evening time :
a) Five minutes past 11.
b) Quarter past eight.
c) Half past 10.

17. Find the product of :

    Km      m
a) 3         4 5 0
    X               6

    Km    m
b) 2      7 4
    X         9

        l      ml
c) 1 6      0 1 2
       X           8

18. Find the perimeter of the given figures :

19. Measure and write the length of the given line segments :

A ................................................. B

P ................................................. Q

20. Find the solution :

1. The cost of a kilogram of oranges is SR 7. What is the cost of 16kg oranges?

2. One side of a square plot measures 125m.Find its area and perimeter.

3. The annual fee of a student is 16800. What is the monthly fee of the student?

4. Rani wanted to frame a picture of length 18cm and breadth 16cm. What will be the perimeter of the frame.

5. I can read 75 pages in 3 days. How many pages can I read in one day ?

6. The length of a room is 14m and breadth is 8m. Find the area of the room.

7. A dozen mangoes weigh 3600gm. What is the weight of one mango?

8. What is the length of a wire required to fence a square field in which each side is of length 65m.