Download IV Maths (I SEM)

1
Class: IV
QUESTION BANK
SUBJECT: MATHS
I SEMESTER PORTIONS
Lesson – 1
Numbers and Numeration
I. Fill in the blank. 1mark
1) The predecessor of 2000 is ___________
2) The successor of 3270 is ___________
3) The place value of 8 in 1278 is _________
4) The place value of 7 in 7125 is _________
5) The place value of 0 in 2058 is ___________
6) The successor of 13,598__________
7) The successor of 25009_________
8) The successor of 9,99,999 ____________
9) The predecessor of 39,498________
10) The predecessor of 78,349_________
II. Rewrite as directed: 2marks
1)
2)
3)
4)
5)
6)
7)
100000+30000+2000+100+70+6.( write the short form of the following )
9,00,000+9000+900+90+9.( write the short form of the following )
75,173(write in expanded form)
87,92 (write in expanded form)
1,23,410
1,23,425 1,23,517, 1,23,620 (Circle the largest number)
1,97,630
1,98,715, 199,215, 195,768( Circle the largest number)
4,2,9,7( Write the smallest and greatest 4 digit number using each of the following
digits)
8) 1,3,7,0(Write the smallest and greatest 4 digit number using each of the following
digits)
9) 725175 (Arrange the following numbers in Indian place value chart. Rewrite them in
the blank with commas at right places)
10) 247158((Arrange the following numbers in Indian place value chart. Rewrite them in
the blank with commas at right places)
11) 5172359( Arrange the following numbers in international place value chart. Rewrite
them in the blank spaces with commas at right places)
12) 13327458 ((Arrange the following numbers in Indian place value chart. Rewrite them
in the blank with commas at right places)
13) 9,27,471(Write the number name in Indian system)
14) 37,17,215(Write the number name in Indian system)
15) 167,897 (Write the number name in International system)
16) 3,993,457( Write the number in International system)
III. Rewrite as directed
3marks
1) 57(round of nearest to tens)
2) 819 (round of nearest to tens)
2
3) 983(round of nearest to tens)
4) 446 (round of nearest to hundred
5) 6253(round of nearest to hundred)
6) 8899(round of nearest to hundred)
7) 3278(round of nearest to thousand)
8) 45817(round of nearest to thousand)
9) 7341 (round of nearest to thousand)
10) 20280,20820,20028,20082(Arrange in Ascending Order)
11) 3,17,230 4,17,230 5,28,470 4,28,217 (Arrange in Ascending Order)
12) 92,173 93,234 90,148 92,345 (Arrange in Descending Order)
13) 8,23,333 8,43,126 8,34, 126 8, 17, 338 8,34,126( Arrange in Ascending Order )
14) Find the place value and face value of the underline digit in the given number
a) 1, 4 7, 173b) 3,56,735c) 9,87,617
15) Find the difference between the place value and face value of 6 in 3526521
16) Find the sum of place values of the two 5 s in 235257
IV. Do as directed: 4m
1) Write the greatest and smallest 7 digits numbers both in figures and words
a) Indian number systemGreatest numberSmallest numberb) International system
Greatest numberSmallest number-
I. Tick the correct answer
1)
2)
3)
4)
Lesson 2
ROMAN NUMERALS
1mark
99 is the same as ----------( IC, IXIX, XCIX CIX)
XIX + XXX (L, XL IX, LIX , XXXIX)
XL - ____ = XXIX ( IX , X , XI , XXI)
Roman numerals I can be subtracted only from V and ______(I , X , L , C)
II. Write true or false
1)
2)
3)
4)
5)
6)
Number 13 is written as IIIX.
XLV = 45.
10 less than 100 is written as IIIX.
Number 29 is written as XC.
Number 40 is written as LX.
Number 75 is written as LXXV
1mark
3
III. Match the following
1)
2)
3)
4)
5)
32
19
46
74
88
1mark
LXXXVIII
LXXIV
XXXII
XLVI
XIX
IV. Write < > or =
1)
2)
3)
4)
5)
6)
2marks
XXI+ III--------------- XXII
L÷V----------X
83 --------------LXXX
LXII- II________LXIV
XLV-------45
VII×IV ------XXX.
V. Circle incorrect Roman Numerals
2marks
1) XV, IIIX,XL ,XXC ,LIII, XC,VIII
2) XIX IVX XL XXXC LIV.
3) XC, XXC, LII, CVIV, XXXIV.
VI. Rewrite as Directed
3marks
1) 25(Write in Roman Numerals)
2) 52(Write in Roman Numerals
3) 30(Write in Roman Numerals)
4) 65(Write in Roman Numerals)
5) 91(Write in Roman Numerals)
6) 94(Write in Roman Numerals)
7) 79(Write in Roman Numerals)
8) 42(Write in Roman Numerals)
9) XXIII(Write in Hindu Arabic Numerals)
10) LXXIV(Write in Hindu Arabic Numerals)
11) XCVII(Write in Hindu Arabic Numerals)
12) XXXIV(Write in Hindu Arabic Numerals)
13) XCV(Write in Hindu Arabic Numerals)
VII. Write the answer in Roman Numerals
1)
2)
3)
4)
5)
6)
1)XXIII+V=
2)XC+XL=
3)C+X =
XXXIX+VIII=
5)V+XII=
6)LV+V=
4marks
4
Lesson 3
ADDITION
I. Fill in the blanks
1)
2)
3)
4)
5)
6)
7)
1m
4634+ ----------- =4634
21346+1= -----------53476+0=__________
34567+------------=34568
1435+19235= 19235+ ---------82547 + (35458 + 10000) +3545 ( 82547+--------)
(112000+135400)+234567=112000+(135400+-----------)
II. Tick the correct answer
1m
1) The sum of the greatest 3 digit number and smallest 6 digit number is ----(19000
100999 19999 999999)
2) The number which is 10000 more than 6,54,871 is--------------(6,55,871 6,64,871 6,54,971 6,65,871)
3) 100 more than 99999 equals
(10099, 100099, 99099, 100000)
4) What is five hundred plus fifteen tens
(650, 550, 5150, 6150)
III. Find the sum of
1)
2)
3)
4)
2mark
23,312 and 35233
15427 and 67553
1,54,023 and 4,21,746
3,48,978and3,45,678
IV. Fill in the box: (3m)
1)
4
+ 5
1
0
9
6
2)
3
3
2
6
4
8
4
2
+ 1
7
0
5
6
5
9
4
2
8
4
5
V. Solve the Word Problem: 4m
1) Mr Roy deposited
2,01,745 in one bank and
much money did he deposited in total?
3,38,745 in another bank. How
2) Ragini spent
38,450 on a computer 11,750 on a printer and
player. How much money did she spend in all?
4,570 on a DVD
3) In an examination 54,585 students passed and 16,786 students failed. How many
students appeared at the examination?
4)Mrs Khanna visited a furniture shop. She bought a bed for
12,800 and six chairs for
34,700,a dining table for
6,836.How much did she pay to the shopkeeper?
5) A car company manufactured 87,875 cars of the first model. 62530 cars of the second
model and 47,345 cars of the third model in 2011. Find the total cars manufactured in 2011.
Lesson- 4
SUBTRACTION
I. Fill in the blanks
1)
2)
3)
4)
5)
6)
1mark
98,233-______________=98,232.
28,172 -0 =______________
72,999 -1=___________
1,14,234 -_______=1,14,234.
47,235-47,235 =__________
72,998-___________=0
II. Rewrite as directed
2marks
1) 51834-20512 (Subtract)
2) 74156-32034(Subtract)
3) 93115-87767(Subtract)
4) 78378-36089(Subtract)
5) 24008-32778(Subtract)
6) 99999-23458(Subtract)
7) 47234-13532(Subtract)
8) 4,83,695 and 1,51,343(Find the difference))
9) 7,14,345 and 5,37,705(Find the difference)
10) 6,31,296 and 4,61,053(Find the difference)
11) 6,67,800 and 3,45,925(Find the difference)
III. Rewrite as directed
3marks
1) Subtract the greatest 5 digit number from the smallest 6 digit number.
2) 2,51,743+6,21,301-1.,19,254(Simply)
3) 4,31,296+2,17,175-50,178(Simply)
6
4) 3,00,192+4,32,170-2,99,429(Simply)
5) 9,99,999-2,22,222+3,33,333(Simply)
6) 5,29,519-102,053+25,970,-18,325(Simply)
7) 45+56 (Estimate by rounding off to the nearest tens)
8) 635+425(Estimate by rounding off to the nearest tens)
9) 486+36(Estimate by rounding off to the nearest tens)
10) 67-18(Estimate by rounding off to the nearest tens)
11) 356-215(Estimate by rounding off to the nearest tens)
12) 687-38(Estimate by rounding off to the nearest tens)
IV Solve Word problem
4marks
1) The sum of two numbers is 57,295. If one number is 25,487, find the other number.
2) The population of a town is 4,75,173. If the number of males is 2,58,745 find the
number of females in the town.
3) A dictionary has 88,728 words. Mohan has read 37,487 words out of these. How
many words are left for Mohan to read?
4) Mrs Khanna has
8, 28,050 in her bank account. She used
4, 57,375 to buy a
new car. How much money is left with her?
5) Estimate the sum of 725 and 836 by rounding off to the nearest hundreds.
6) Estimate the difference of 956 and 481 by rounding off to the nearest hundred.
Lesson 5
MULTIPLICATION
I. Fill in the blanks
1)
2)
3)
4)
5)
6)
7)
1mark
725×1_________
425×1375=1375×______
928×175=175 ×______
628×______ =0
1078 _____=928 × 1078
138× (413× 644)=(138× _____)× 644
427× (25+____)= 427× 25+427×68
II. Tick the correct answer
1mark
1) 89×900= (80010 , 80100 , 80001 80000)
2) If 1 hour= 3600 seconds, then 1week= ________ seconds.
(86400, 25200, 60800, 6040800)
3) Multiplicand × multiplier=________(quotient, product, production, remainder)
4) The product of all odd numbers between 2and 10 is__(135,945,24,20)
II. Rewrite as directed: (2 Marks)
1) (11 + 8) x 7 [Find the product using distributive]
2) (4 x (23 + 5) [Find the product using distributive]
7
3)
4)
5)
6)
7)
59 x 30 [Find the product]
297 x 50 [Find the product]
1225 x 20 [Find the product]
99 x 200 [Find the product]
How many hours are there in one year?
8) A shopkeeper sells a pot for
9) A DVD cost
1335. How much will he get on selling 4 such pots.
399. What is the cost of 25 such DVD.
III. Rewrite as directed: (3 Marks)
1) 11 x 4 x 7 [Multiply the following in different ways]
2) 14 x 9 x 3 [Multiply the following in different ways]
3) 115 x 3 [Find the product using expanded notation]
4) 9 x 515 [Find the product using expanded notation]
5) 8903 x 6 [Find the product using expanded notation]
6) 15 x 6 [Find the product using expanded notation]
7) 2005 x 5 [Find the product using expanded notation]
8) 2 x 65 x 5 [Using suitable grouping find the product]
9) 5 x 97 x 20 [Using suitable grouping find the product]
10) 729 x 4 x 25 [Using suitable grouping find the product]
11) (4 x 72 x 125) [Using suitable grouping find the product]
12) (45 x 32) [Estimate the following product]
13) (645 x 5) [Estimate the following product]
14) (528 x 69) [Estimate the following product]
15) (103 x 23) [Estimate the following product]
IV. Multiply: [4 Marks]
1)
2)
3)
4)
5)
819 x 208
648 by 227
4224 by 274
6724 by 92
7134 by 76
V. Solve: [4 Marks]
1)
2)
3)
4)
5)
6)
A DVD player costs
2485. What is the cost of 32 such DVD players?
The weight of a box is 8485 grams. What is the total weight of 45 such boxes?
How many hours are there in one year?
A football weighs 288 grams. What is the weight of 175 such footballs?
One hour consists of 60 minutes. How many minutes are there in 324 hours?
Find the product of the largest 4-digit number and the largest 2-digit number.
7) The cost of a refrigerator is
8975. What is the cost of 24 such refrigerators?
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Lesson 6
Division
I. Fill in the blanks: (1m)
1) The number to be divided is called the ___________.
2) The answer in division is called the ___________.
3) The number of which we divide is called the ____________.
4) The remaining number is called the __________.
5) 78 ÷ 8 = _____
6) 54 ÷ 6 = _____
7) 0 ÷ 999 = _____
8) 685 ÷ 685 = _____
9) 1284 ÷ 1 = _____
10) 928 ÷ 1 = _____
11) 1775 ÷ 1775 = _____
12) 0 ÷ 425 = _____
13) ___ ÷ 235 = 1
14) ___ ÷ 197 = 0
15) ______ by zero is not possible.
16) Dividend = Divisor × ________ + remainder.
17) When zero is divided by any number, the ________ is always zero.
18) When a number is divided by one, the quotient is the _________ itself..
19) When a number is divided by itself, the quotient is ________.
II. Find the quotient by using long division (2m)
1) 394 ÷ 4
2) 797 ÷ 6
3) 8306 ÷ 4
4) 2810 ÷ 3
5) 7872 ÷ 1000
6) 34456 ÷ 1000
7) 79202 ÷ 1000
III. Divide and then check whether Dividend = Divisor × Quotient + Remainder
1)
2)
3)
4)
5)
6)
7)
8)
328 ÷ 5
617 ÷ 7
299 ÷ 6
565 ÷ 9
4787 ÷ 9
66666 ÷ 38
759 ÷ 15
42238 ÷ 29
IV. Using rules of division by 10’s and 100’s find the quotient and remainder.
1) 89 ÷ 10
2) 52154 ÷ 10
3) 7878 ÷ 10
9
4) 683 ÷ 100
5) 12345 ÷ 100
6) 42341 ÷ 100
V. Solve: (4m)
1) The cost of 8 bags is
1648. Find the cost of 1 bag?
2) Ragini bought 576m of cloth to make dresses for the school function. How many
dresses will be made if each dress needs 4m of cloth?
3) The product of 2 numbers is 4560, if one of them is 15, find the other number?
4) Rahul packed 2470kg wheat in 38 bags. How much does each bag weigh?
5) A number divided by 25 gives 171 as the quotient and 10 as the remainder find the
number?
6) The product of two numbers is 6256. If one of them is 17, find the other number?
7) How many hours are there in 7260 minutes? (1hr=60min)
8) Tanveer has a collection of 2135 stickers. He pasted 25 stickers on one page. How
many pages did he use in all?
VI. Estimate the quotient in the following division by rounding off the numbers: (4m)
1) 34 ÷ 5
2) 438 ÷ 24
3) 810 ÷ 52
Lesson – 7
Unitary Method
I. Fill in the blanks: 1m
1) The ________________ is also known as the method of ___________.
2) When the cost of ____________ articles is given and you have to find the cost of one
articles, you ______________
3) When the cost of _____________ article is given and you have to find the cost of
many articles you ________________.
II. Tick the ( ) answer by working the sum: 1m
1) The cost of 1 dozen bananas is
48. What will be the cost of 8 bananas?
a)
60 ______
b)
32 _____
c)
56 ______
d)
40 _____
2) The weight of one box of apples is 5kg. the weight of 8 such boxes will be ___
a) 13 kg ______
b) 3kg ______
c) 40 kg
d) 16 kg ____
3) The cost of 10 books is
900. The cost of 18 such books will be
a)
16200 ____ b)
1620 _____
c)
1622 ____
d)
16202
_____
4) The capacity of 8 buckets is 88l. the capacity of 17 such buckets will be ______
a) 180 l _____
b) 187 l ____
c) 177 l _____
d) 1496 l _______
III. Word Problems (Solve): 3m
1) The weight of 3 bags of rice is 45Kg, so the weight of one bag is.
10
2) The cost of 7 pens is
560, so the cost of one pen is.
V. Solve: 4m
1) 4 boats can carry 64 people. How many people can be carried in 9 such boats?
2) 15 shirts cost
4875. How much should I pay if I need 35 shirts?
3) Rajath bought 12 pencils for
84. How much will be the cost of 30 such pencils?
Lesson – 8
Multiples and Factors
I. Fill in the blanks: 1m
1) Each number is a multiple of __________
2) Every number is a multiple of _____________
3) The first and smallest multiple of every number is the ___________ itself.
4) Every multiple of a number is ____________ than or equal to the number itself.
5) Multiples of 2 are called _____________ numbers.
6) ____________ is a multiple of every non – zero number.
7) A ____________ is divided by the given number exactly.
8) A number Which is a multiple of two or more numbers is called a ____________
9) The smallest common multiple of two or more numbers is called the ____________
10) The greatest number which divides two or more numbers without leaving a remainder
is called the ___________
11) The number with at the HCF are called __________ numbers.
12) The smallest prime number is _______________
13) _____________ is the only prime number is ____________
14) Prime numbers with a difference of 2 between them are called _______________
15) All even numbers except 2 are ______________
16) There are __________ Prime numbers between 1 and 100.
II. Write true or false: 1m
1)
2)
3)
4)
5)
6)
6, 12, 18, 24 and 30 are multiples of 6 _____________
The smallest multiple of every number is 1 _______________
45 is a multiple of both 5 and 9 _______________
The multiple of a number is smaller than the number itself _____________
A number divisible by 5 is always divisible by 10 _____________
A number divisible by 9 is always divisible by 3 ______________
III. Tick (
) the correct answer: 1m
1) Every number is a multiple of ______________
a) 3
b) 2
c) 0
d) 1
2) 1 is a _____________ number
a) Even
b) Prime
c) composite d) Unique
11
3) The greatest two digit prime number is _____________
a) 98
b) 95
c) 97
d) 99
4) Which is not twin – prime numbers?
a) 3 and 5
b) 11 and 13 c) 71 and 73 d) 7 and 9
5) The smallest composite number is _____________
a) 6
b) 2
c) 4
d) 1
6) The smallest odd prime number is ____________
a) 3
b) 5
c) 9
d) 15
IV. Find the first five multiples of: 2m
1) 4
2) 12
3) 33
4) 35
5) Is 28 a multiple of 5?
6) Is 36 a multiple of 9?
7) Is 64 a multiple of 8?
8) Is 182 a multiple of 7?
9) Encircle the multiples of 9. 54, 48, 60, 18, 18, 27, 49, 36, 63.
10) Encircle the numbers which are divisible by 2. 428, 517, 138, 2345, 189, 3456, 4838.
11) Encircle the numbers which are divisible by 5. 230, 425, 1272, 868, 1720, 635, 429.
12) Encircle the number which are divisible by 10. 110, 135, 1450, 4660, 2375, 1728,
2220.
13) Check whether the following numbers are divisible by 3
a) 39
b) 73
14) Check whether the following numbers are divisible by 6
a) 426
b) 1382
15) Check whether the following numbers are divisible by 9
a) 216
b) 1872
V. List the first 10 multiples of following: 3m
1) Find the common multiples and write the LCM.
a) 2 and 3
b) 4 and 5
c) 15 and 20
d) 15 and 18
2) List the multiples of 12, 15 and 20. Encircle the common multiples and then find the
LCM.
3) Find the LCM of 14 and 21
4) The 1st common multiple of 6 and 15 is 30.
The 2nd common multiple of 6 and 15 is 60.
Find the 3rd and 4th and 5th common multiple of 6 and 15.
12
5) Find the common factors of the following numbers:
a) 4 and 10
b) 12 and 20
c) 12, 18 and 36
6) Check whether the number is prime or composite by listing its factors:
a) 5
b) 12
c) 27
d) 95
e) 99
VI. Solve: 4m
1) Study the diagram carefully and answer the questions:
a) List the multiples of 6
b) List the multiples of 9
c) List the common multiples of 6 and 9
d) What is the LCM of 6 and 9
2) Find the HCF of the following:
a) 4 and 6
b) 30 and 40
c) 25, 45 and 50
3) Which of the following pairs are co primes?
a) 9 and 12
b) 3 and 8
c) 15 and 3
4) Find the prime factors of the following numbers using the factor tree:
a) 12
b) 48
c) 64
d) 100
e) 54