WORKSHEET NEW COUNTDOWN SECOND EDITION OXFORD CLASS 4
PART ONE:
NUMBERS
Getting ready
5-Digit Numbers: Notation
5-Digit Numbers: Place Value
Introducing One Lakh
One Lakh Equals One Hundred Thousand
International Place Value: 6-Digit Numbers
1-10
THE FOUR OPERATIONS
5-Digit and 6-Digit Numbers
Addition: 5-Digit and 6-Digit Numbers
Subtraction: 5-Digit and 6-Digit Numbers
Addition and Subtraction
Welcome to Multiplication Hall!
Multiplication
Multiplication by IO and Its Multiples
Multiplying by 2-Digit Numbers
Multiplication: Some New Words
Multiplicands of 4 Digits and Multipliers of 3 Digits
Review
Multiplication and Division with
Bigger Numbers
Division with Bigger Numbers
Divisors with 2 Digits
Dividends with 4 Digits
Multiply to Check!
Using Division in Word Problems
Dividing by I0 and Its Multiples
Review
11-33
THE UNITARY METHOD
Thinking and Solving
Remembering the Calendar
34-35
TIME
Time
Using Timetables
Playing with Time: Conversion
Conversion: Minutes and Seconds
Playing with Time: Word Problems
Review
36-45
PART TWO
LCM AND HCF
More about Multiples 46
Common Multiples: The Venn Diagram 47
Lowest Common Multiple (LCM) 48
Introducing Factors 49
More about Factors: Common Factors and HCF 50
Co-Prime Numbers 51
Thinking about Prime Numbers 52
Prime Numbers and Composite Numbers 53
Prime Factorization 55
Tests of Divisibility 56
The LCM and HCF of Larger Numbers:
The Division Method 57
Review 59
46-60
FRACTIONS
Remembering Fractions 61
More about Equivalent Fractions 62
Reducing Equivalent Fractions 63
Remembering Like and Unlike Fractions 65
Proper and Improper Fractions 66
Mixed Numbers and Improper Fractions 67
Fractions and Division 70
Comparing Fractions:
The Common Denominator 71
Addition of Fractions . 73
Addition of Mixed Numbers 74
Subtraction of Fractions 75
Subtraction of Mixed Numbers 76
Review 78
61-79
AREA AND PERIMETER
More about Shapes: Surface and Area 80
Comparison of Areas 8|
Area: Square Centimeters 84
Area and Perimeter 85
Review 88
80-88
PART THREE
DECIMALS
Thinking about Decimals 89
Number Line, Decimal Point, and the Four Operations 92
Tenths and Hundredths Q6
Decimals and Fractions 99
Decimals and Money I00
Decimals and Money: The Four Operations 101
Decimals and Money: More about Bills
Decimals: Metres and Centimetres
Decimals and Metres: The Four Operations
Decimal Fun Page!
Decimals: Tenths, Hundredths, and Thousandths
Tenths, Hundredths, and Thousandths
Thinking about Decimal Places ,
More about Decimals and Fractions
Review
89-111
MEASUREMENT
Decimals and Measurement
Sid’s History of the Metric System
Decimals and Measurement: The Metric System
The Metric System
Metric Word Problems
Review
112-120
GEOMETRY
Looking at Lines
Thinking about Turning
Making Angles
Finding the Right Angle!
Angles, Degrees, and the Protractor
Using the Protractor
More about Triangles
Triangles and Their Angles
Angles in Triangle
Angles in a Quadrilateral
More about Quadrilaterals
Perpendicular Line
121-137
GRAPHS
Column Graphs
More about Column Graphs
The Pie Chart
Review of the Year
Meet Mick, Mandy, Meg, Mani, and Mona
Worksheets
Maths Lab Activities
138-155
PAGE:1
Getting Ready
1.Magic Squares
MATHS IN YOUR HEAD!
WORK OUT THESE SUMS IN YOUR HEAD, AND WRITE THE ANSWERS IN YOUR NOTEBOOK.
100 less than 40188
28 +——————– = 45
Roman number tor 6 s
3 hundreds minus 7 tens
81- ——————-=22
Write in numerals: seven thousand and nine
2 hour = minutes
3 years = ——————- months
Roman number for 24
Write the next number: 130, 1 10, 90, ——————-
k- –
Write the missing numbers: I636, 1639, ——————-, 1645 ——————-
The total cost of three ice creams at Rs 12 each.
What is the cost of each pencil if 6 pencils cost Rs 36.60?
PAGE:2
GETTING READY
WRITE IN WORDS.
4157
5012
7408
3001
WRITE IN NUMBERS.
nine thousand and nine
five thousand and twenty-four
seven thousand nine hundred and thirty-seven
WRITE THE MISSING NUMBERS.
——————- -8=I2-5
450+——————-=910
580 ÷ 10=——————-
325cm=,m——————-cm
12 x ——————-=6 x 8
3660 ml =——————-l——————-ml
9kg 7g=———-g
9m3cm=——–cm
1h 45 min =————min
600÷ 10 =10 x—————–
GUESS WHICH LINE IS LONGER. THEN MEASURE EACH LINE AND WRITE THE LENGTHS IN CM.
ß————————–à
>—————————-<
DRAW THESE LINE SEGMENTS.
AB=4 cm b. PQ=14cm
8- ANSWER THESE QUESTIONS.
If I0 books cost Rs I5-40, how much does I book cost?
If Rehan saves Rs_2Z1_5,.Qvery month, how much does he save in a year?
If 4 boxes of equal weight weigh I kg 792 g altogether, how much does one box weigh?
What is the largest number these numerals: 3, Q, 0, 8?
9- COPY AND MULTIPLY.
a. 197
X 24
b. 248
X 33
10- COPY AND DIVIDE.
a. 6/476
b. 8/592
C. 5/405
11- COPY AND ADD.
a.
b.
c. +
d. +
12- WRITE FRACTIONS IN THE BLANKS.
a. , ,———-,————,
b. , , , ———,———–
PAGE: 3
13- WRITE NUMBERS IN THE BLANKS.
a. 3779, 3789, ————–,————-3819
b. 5702, 5802 , ————-,————–6102
c. 1101 , 2101 ,—————, ———————, ——————–
14- COUNT BACKWARDS AND WRITE NUMBERS IN THE BLANKS.
984I, 9831, ———, ————-, 9801
4394, 4294, ————, 4094,
6530, 6525,—————,—————–, 6510
7619, 7519, ——————,—————–,—————
15- WRITE THE PLACE VALUE OF 7 IN EACH OF THESE NUMBERS.
675
5687
7002
16- WRITE IN EXPANDED FORM.
5692
8601
4029
1001
3728
6907
17- WRITE:
The largest 2-digit number
The smallest 3-digit number
The largest 3-digit number
The smallest 4-digit number
18- Using the digits 2, 5, 6, and ‘I, write as many 4-digit numbers as you can. Which is the largest number you can write? Which is the smallest?
19- WRITE IN EXPANDED FORM.
7094………7000+O+90+4
a.8695
3292
9351
5064
3195
7676
Using the digits I, 7, 3, and 8, write as many 4-digit numbers as you can, making sure that each ’ number is placed in periods.
Then add the Largest number to the smallest number.
PAGE: 4 5-DIGIT NUMBERS: NOTATION
1- WRITE THE NUMBER NAMES ( TWELVE THOUSAND 12,000)
20,000
80,000
14,000
57,000
2-WRITE THE NUMBER, PLACING THE VCOMMA CORRECTLY.
eleven thousand . …………. . 11,000
eighteen thousand……………………….
twenty-three thousand ……………….
forty-two thousand …………………….
seventy thousand. ……………………
fifty thousand ……………………………….
forty-four thousand …………………….
PLACE THESE NUMBERS IN PERIODS AND WRITE THEIR NAMES.
84,067 . . . eighty-four thousand and sixty-seven
23 124
53400
80964
15 503
1255O
WRITE THE NUMBER, PLACING THE COMMA CORRECTLY.
* forty-three thousand, two hundred and ten 43,210
eighty-one thousand, six hundred and forty-seven
nineteen thousand and twenty-five.
Seventy thousand one hundred and sixteen
PAGE: 5
5-DIGIT NUMBERS: PLACE VALUE
1- WRITE THE VALUE OF THE CIRCLED DIGIT.
48397 —-9 tens or 90
30,029
27,090
c.17,00 5
31,561
e.94617
84,069
2- WRITE THE NUMBERS THAT MATCH THESE EXPANDED FORMS.
30,000 + 5000 + 800 + 20 + 6 …….35,826
90,000 + 2000 + 400
80,000 + 40 + 600 + 40+2
50,000+ 0+700+ 0+3
40,000 + 3000 + I00 + O + 0
70,000 + 0 + 0 +020 + 7
20,000 + 4000 + 300- + 0 + 9
60,000 + 8000 + 0 + 80 + 8
3- WRITE THESE NUMBERS IN EXPANDED FORM.
69,504—– 60,000 + 9000 +500 + 0 + 4
a.71,623
82,590
60,902
14,075
51,029
10,503
g.40,505
34,650
i.99,099
12,470
4- WRITE THE PREDECESSOR OF EACH NUMBER.
56,800 ——56,700
a.85,487
64,600
16,0101
32,4803
e.51,300
99,000
48290
80,000
5- WRITE THE SUCCESSOR OF NUMBER.
30 999—— 31000
42,489
90,999
70,609
19,009
e.18,099
10,000
23,999
h.37,999
6- FILL IN <,>, OR =
47,204
80, 100
23,020
19,758
94,065
82, 1 93
34,201
10, 0
42,704
80, 11 0
23,002
1 9,758
94,605
81,193
43,203
10,110
PAGE: 6
INTRODUCING 0NE LAKH
1- WRITE THE NUMBER NAMES. (2,00,000 two lakh)
a.4,00,000
7,00,000
5,00,000
H,00,000
2- WRITE THE NUMBER, PLACING YOUR COMMAS CORRECTLY. (five Lakh 5,00,000)
three Lakh
nine lakh
one Lakh
twelve Lakh
3- ADD THE MISSING COMMAS (405962 —- 4,05,962)
340816
290062
900700
3010 10
4- PLACE THESE 6-DIGIT NUMBERS IN PERIODS AND WRITE THEIR NAMES.
4,60,293 four lakh, sixty thousand, two hundred and ninety-three
5 1 0937
906403
c.19602 1
240682
5- WRITE THE NUMBER, PLACING YOUR COMMAS CORRECTLY.
three Lakh, eighty-two thousand and twenty-seven 3,82,027
five Lakh, nineteen V thousand, three hundred and two
nine lakh, two thousand, five hundred and sixteen
four Lakh, nine hundred and fifty-one
PAGE: 7
ONE LAKH EQUALS ONE HUNDRED THOUSAND
1- PLACE THESE 6-DIGIT NUMBERS IN PENODS, FHSTH1THE PAKISTANI WAG AND THEN IN THE INTERNATIONAL WAG. 639243 (I) 6,39,243 (2) 639,243
854020
405300
703 1 64
162802
300698
820036
2- WRITE THESE NUMBERS ACCORDING TO INTERNATIONAL PERIODS. 6,01,584 601,584
7,53,028
2,70,042
4,00,028
9,09,510
3- CHANGE THESE NUMBERS ACCORDING TO PAKISTANI PERIODS. 758,06 I 7,58,06 I
104,695
450,104
500,629
642,003
4- WRITE THE NUMBER NAMES 638,342 SIX HUNDRED AND THIRTY-EIGHT THOUSAND, NINE HUNDRED AND FORTY-TWO
422,3 1 8
909,999
351,602
500,384
5- WRITE THE NUMBERS, PLACING YOUR COMMAS CORRECTLG. FIVE HUNDRED AND TWENTG THOUSAND, SIX HUNDRED AND THIRTY-ONE 520,631
four hundred and thirty-eight thousand, one hundred and eighteen
six hundred and ninety-nine thousand, five hundred and seventy
PAGE: 8
INTERNATIONAL PLACE VALUE: 6-DIGIT NUMBERS
1- WRITE THE VALUE OF THE CIRCLED DIGIT.
54,629—– five hundred thousand or 500,000
629,30 I
205,4 83
730, 598
800,269
2- WRITE THE NUMBERS THAT MATCH THESE EXPANDED FORMS
600,000 + 20,000 + 8000 + 400 + 60 + 0 —– 628,460
700,000 + 50,000 +1000+ 300 + 0 + 8
100,000 + 90,000 +0+ 200 + 90 + 3
500,000 + 70,000 +800+ 0 + 50 + 2
400,000 + 0 +9000+ 600 + 80 + 5
200,000 + 60,000 + 700 + 40 + 0
300,000 + 10,000 +5000+ I00 + 0 + 6
300,000 + 10,000 +5000+ 900 + 90 + 9
800,000 + 70,000 + I00 + 70,000 +2000+100+70+ 9
3- WRITE THESE NUMBERS IN EXPANDED FORM.
691,053——— 600,000 + 90,000 + 1000+0+50+3
752,9
120,640
804,623
358,037
e.950,85 1
606,666
4-WRITE THE SUCCESSOR OF EACH NUMBER. 151,999 152,000
484,303
399,998
502,999
246, 1 89
5- WRITE THE PREDECESSOR OF EACH NUMBER. 380,000 —— 379,999
963,380
102, 100
593,000
899,090
6-WRITE IN NUMBERS.
seven hundred and fifty thousand and sixty ——–750,060 ,
one hundred and forty-eight thousand, four hundred and twelve
two hundred and thirty thousand and six
six hundred and two thousand, five hundred and seventy
PAGE: 9
INTERNATIONAL PLACE VALUE: 6-DIGIT NUMBERS
7- FIND THE VALUE OF THESE EXPANDED FORMS.
600,000 + 30,000 + 7000 + 50 + 7 —— 637,057
100,000 + 20,000 + 5000 + 400 + 20 + 6
200,000 + 40,000 + 7000 + 300 + 7
8- WRITE NUMBERS IN THE BLANKS.
444,4q6 = 400,000 + —————-+4000+400+—-+6
40,000 and 90
326,41 1 = ————+ 20,000 + 6000 + ————+ 10 + 1
560,312 = ————– + 60,000 + 3000 +————– + ————–
843,029 = 800,000 +——————— +3000 +—————– + 9
305,699 = 300,000 + ——————– + _ + 90 + 9
999,999=————– + ————— + —————- +900 + ————– + ———
480,003 = ————- + 80,000 + —————-
9- FILL IN < , > OR = ( 240,000 > 24,000 )
870, 500
12 1,500
199,584
158,603
305,001
10- ARRANGE IN ASCENDING ORDER
140,040 ; 104,440 ; 114,004 ; 4 1 0,440
…I04,440 ; 114,004 ; 140,040 ; 4 I 0,440
502,398; 205,938; 520,480 ; 501,695
462,591; 642,589; 458,431;824,951 ; 824,941
10,000; 100,899; 101,010 ; I00,901; 101,100
384,029; 348,290; 388,420 ; 346,999
I25,456; I24,546; 142,456 ; 124,654 ; 125,556
PAGE: 10
5-DIGIT & 6-DIGIT NUMBERS
1- COUNTING IN HUNDREDS, WRITE NUMBERS IN THE BLANKS.
97,000;————— ; ———; ——-
97,100; 97,200; Q7,300
102,700; 102,800; ————–;
385,800; _________ ; _______ ; 386,100
422,900; _________ ; _________ ; _______ ;
909,800; ————— ; —————; 910,100; —————-
2- COUNTING IN THOUSANDS, WRITE NUMBERS IN THE BLANKS.
98,000;———— ;—————; 101,000 —————-99, 000; 100,000
79,800; 80,800; ————–; 82,800
1144,250; ———–; 116,250; 0
506,499; ———–;—————-; , 50Q,LIQQ;
3- CIRCLE THE LARGEST NUMBER. 602,189; 620,198; 620,199
405,613; 406,513; 401,563
739,468; 739,648; 739,486
249,406; 249,946; 249,046
101,321; 110,123; 111,032
850,050; 805,550; 850,005
4- ARRANGE IN” DESCENDING ORDER.
584,622; 5Q4,266; 604,626; 464,226 —— 604,626; 504,266; 584,622 ; 464,226
48,504; 48,450; 47,950; 48,5 54
103,952; 130,995; 113,005 ; 133,050
465,0 1 5; 456, 1 50; 486,952 ; 406,250
998,889; 989,980; 989,990 ; 999,808; 909,898
26,103; 26,301; 26,113; 26,331; 26,003
5- LOOK AT THE NUMBERS, THEN REARRANGE THE DIGITS TO FORM (A) THE SMALLEST AND (B) THE LARGEST POSSIBLE NUMBER.
142,657——(A) 124,567
(B) 765,421
1 35,027
989,884
1 78,964
625,589
24 1 ,698
78,463
234,580
848,332
PAGE: 11
ADDITION: 5-DIGIT AND 6-DIGIT NUMBERS
1- WRITE VERTICALLY AND ADD
a. 6382 + 465 + I496
b. 2477 + 3Iq3 + I568
2- ADD THESE TO FIND THE ODD ANSWER OUT’ IN EACH GROUP OF SUMS.
a- (i) 375 + 405 + 163
(ii) 5 I 6 + 185 + 252
(iii) I04 +142 +697
b- (i) 173 +254 +385
(ii) 478 +136 +188
(iii) 116 +549 +137
COPY AND COMPLETE.
a. 43,846
+ 35,017
b. 753,865
+ 169,530
C. 465,357
+ 32,986
d. 329,436
+ 281,274
3- FIND THE NUMERALS TO REPLACE THE * IN EACH SUM.
5 * 6
1 3 *
* 4 2
1099
a.
5 1 *
* 4 2
4 * 2
b.
* 3 2
2 * 3
6 1 *
1257
1186
c. 8 *5
32 *
*43
d.
4 * 2
* 6 3
6 1 *
1298
1797
5- WRITE VERTICALLY AND ADD (BE CAREFUL WITH THE COLUMNSL).
a. 24,639 + 10,251
b. 50,466 + 18,974
c. 2,16,154 + 1,58,309
d. 14,838 +249,501 + 108,633
e. 3,16,010 + 1,87,684 + 3472
f. 204,469 + 20,496 + 2460
6- WRITE THE NUMBER WHICH IS:
500 more than 16,100 ———–16,600
200 more than 1,25,000
I000 more than 200,000
900 more than 4,60,100
400 more than 509,600
PAGE: 12
SUBTRACTION: 5-DIGIT AND 6=DIGIT NUMBERS
1- WRITE VERTICALLY AND SUBTRACT.
a. 1401 – 758
b. 6008 – 4739
c. 8003 – 5626
d. 3600 – 1498
2- WRITE THE NUMBER WHICH IS: 200 Less than 1100—– 900
500 Less than 3160
l000 less than 9686
4- COPY AND SUBTRACT, THEN CHECK.
8,45,289 2,24,28 I – 6,2 I ,008 +6,2 I ,008
2,24,28 I 8,45,Z89
7,46,389 b. I,05,003
– 94,247 -87,675
5,02,395 d. 7,62,043
– I,49, I46 – 5,0°I,567
3- WRITE THE NUMBERS TO REPLACE THE * IN EACH SUM
a.
* 8 7 *
– 3 * * 2
8985
6362
b.
4**9
– *25*
2623
2623
c.
*9*8
– 5*2*
d.
6 * 9 *
* 5 * 0
3408
5- WRITE THESE VERTICALLY AND SUBTRACT. THEN CHECK BY ADDITION!
a. 36,738 – 1 2,849
b. 256,704 – 103,028
c. 2,00,03 1 – 1,89,764
d. 500,000 – 360,824
e. 750,000 – 1 25,255
6- SUBTRACT I00 FROM EACH NUMBER.
a. 1,46,952
b. 500,000
c. 305, 103
d. 810,000
7- SUBTRACT 500 FROM EACH NUMBER.
a. 385,620
b. 284,320
c. 505,400
d. 69,0 I 0
PAGE: 13
ADDITION AND SUBTRACTION
1- WORD PROBLEMS
READ THE PROBLEMS CAREFULLY.
Decide whether you should add or subtract to solve them. Then work them out, making complete statements.
A factory made 64,750 jute bags on Monday and 51,060 more on Tuesday.
How many bags were made altogether?
In and election, M; Kamal got l,56,720 votes’ and Mrs Abid got 1,58,986 votes. Who got more votes? How many more?
A library has 46,918 books in English and l,O8,625 books in Urdu. What is the total
number of books?
A shopkeeper earns Rs 170,920 in one year. If his expenses for the year are Rs 129,486, how much money does he save in a year?
Find the difference between the largest 4-digit number and the smallest 6-digit number.
A man bought a house for Rs 9,56,780. He sold it for Rs 1,20,000 less than the cost price. How much did he sell the house for?
BRUSH UP YOUR BRAINS!
SOLVE THESE QUICKLY IN YOUR HEAD. THEN WRITE THE ANSWERS IN YOUR NOTEBOOK.
12,500 – ? = 5600
I00 more than 99,990 equals – .
10,000 + 6000 + Q00 + 5 =
In 129,564, the 2 stands for ——————————-
49,396 – ? = 10,086
What must be added to 100,050 to make lO2,550?
564+210-50 =—————-
A school needs Rs 4,00,000 for a new building. The children collect Rs l,50,000. How much more money must be collected?
The largest 5-digit number plus the smallest 4-digit number equals ———-.
|280 – 400+35 = ———————
PAGE: 14
WELCOME TO MULTIPLICATON!
PAGE: 15
MULTIPLICATON
COPY AND MULTIPLY.
a. 115
X 6
b. 264
X I8
c. 569
X 5
d. 708
X 9
e. 573
X I6
f. 451
x22
SOLVE THE WORD PROBLEMS, MAKING COMPLETE STATEMENTS
If one book of stickers contains 78 stickers, how many stickers will there be in 5 books?
If a bar of soap costs Rs 49, how much will 6 such bars cost?
There are I45 mangoes in one basket. How many mangoes are there in 32 baskets?
48 chalk sticks are packed in one box. How many sticks in 26 such boxes?
How many minutes are there in I7 hours?
25 boxes are loaded on 0 truck. If each box weighs 22 kg, what is the total weight of the Load?
A can of oil costs Rs 60.50 If the Zaid family bugs 4 cans, how much will their bill be?
3- WRITE VERTICALLY AND MULTIPLY.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
I078
1964
360
18
65
39
2382
452
325
252
57
83
I05
261
300
372
169
416
X
X
X
X
x
X
X
X
X
X
X
X
X
X
X
X
X
X
7
3
10
70
80
100
4
20
15
6
14
22
35
18
26
15
24
42
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
PAGE: 16
MULTIPLICATION BY I0 AND ITS MULTIPLES
1- MULTIPLY BY I0. (340 x 10 —–3400)
581
9123
629
7082
2- MULTIPLY BY I00. (I63 X I00 —– l6,300)
475
5692
3- MULTIPLY BY I000. (400 x I000 490.006)
582
205
4- MULTIPLY BY I0,000. (78 x I0,000 —–780,00)
19
95
5- FILL IN THE BLANKS.
A
16
X
=
16,000
B
290
X
=
2,900
C
X
1000
=
480,000
D
56
X
10,000
=
E
78
X
=
780,000
F
X
10,000
=
670,000
6- CHANGE M INTO CM.
(I m= I00 cm)
7000 m
4960 m
PAGE: 17
MULTIPLICATION BY I0 AND ITS MULTIPLES
NOW MULTIPLY THESE NUMBERS.
27 X 200
24 x 6000
22 X 9000
51 X 70
38 X 7000
87 X 2000
PAGE: 18
MULTIPLICATION BY I0 AND ITS MULTIPLES
SOLVE THESE.
a. 54×300
b. 48x 3000
c. 4I5x600
d. 25×20,000
I HOUR = 60 MIN. FIND OUT HOW MANY MINUTES IN:
a. 5hours (h)
b. 32h
c. 21 h
d. 36h
I0. THERE ARE 50 PEOPLE IN THIS BUS (INCLUDING THE DRIVER). FIND OUT HOW MANY PEOPLE IN:
FIND OUT HOW MANY PEOPLE IN:
a. I6 buses
b. I02 buses
c. 98 buses
d. I000 buses
I I. MULTIPLY EACH NUMBER BY 40, THEN BY 400, THEN BY 4000.
28
I20
83
I33
I2. I m =, I00 cm. Convert m into cm in the following: (580 m = 58,000 cm)
630 m
I200 m
84 m
382I m
I km = I000 m. Convert km into m in the following: ( 6 km = I6,000 m)
47 km
309 km
100 km
4 km
I4. 1 kg = I000 g. Convert kg into g in the following: (129 kg = 129,000 g)
560 kg
999 kg
111 kg
4q3 kg
I5. 1 L = I000 ml. Convert l into ml in the following: ( 295 l = 295,000 ml)
141 L
902 L
39 L
800L
PAGE: 19
MULTIPLYING BY 2-DIGIT NUMBERS
COPY AND MULTIPLY. BE CAREFUL WITH YOUR COLUMNS!
a. 643
x72
b. 305
x64
c. 865
x 28
d. 996
x 37
e. 487
x53
f. 408
x 93
WRITE VERTICALLY AND MULTIPLY.
a. 749 x62
b. 643 x59
c. 816 x 94
d. 838 x 67
e. 567 x 81
f. 950 x 48
3- SOLVE THE WORD PROBLEMS, MAKING COMPLETE STATEMENTS.
A train in Germany travels 528 km in one hour. How far will it travel in 24 hours?
A machine in a factory makes 615 togs every day. How many togs will it make in 6 weeks?
If 48 mangoes are packed in 1 box, how many mangoes are there in 650 such boxes?
A room in Hotel Palm Magic costs Rs Q52 per night. If all 58 rooms are occupied, how much money will the hotel manager collect in one night?
If Sohail runs 650 m every morning, how many metres will he gun in 5 weeks of ‘
daily training?
PAGE: 20
MULTIPLICATION: SOME NEW WORDS
COPY AND MULTIPLY THE FOLLOWING. THEN LABEL THEM
462 — multiplicand
X 75 -——- multiplier
2310
32340 ———–product
a. 619
x 77
b. 964
x 79
C. 385
X 47
d. 474
X 36
2- WRITE SUMS TO MATCH THESE WORDS. THEN SOLVE THEM.
Multiplier 62, multiplicand
416 6
4l6
x 62
25792
a. Multiplicand 82,
multiplier I6
b. Multiplicand I76,
multiplier 10
c. Multiplicand 3¢i5,
multiplier 72
3- WRITE THESE VERTICALLY AND MU-TIP-G THEM. THEN LABEL THEIR PARTS.
a. 648 X 52
b. 783 X 89
c. 7351 X 69
d. 650 X Q5
4- SOLVE THESE SUMS IN YOUR HEAD. THEN JOIN THEM TO THE CORRECT PRODUCT.
Products
a) 120 x 40
b) 36 x 500
c) 115 x 200
d) 81 x 60
e) 500 x 500
f) 42 x 30
g) 15 x 70
h) 430 x 50
1. 1260
2. 4800
3. 1800
4. 4860
5. 23000
6. 250000
7. 21500
8. 1050
PAGE: 21
MULTIPLICANDS OF 4 DIGITS AND MULTIPLIERS OF 3 DIGITS
NOW COPY AND MULTIPLY THESE. BE CAREFUL WITH YOUR COLUMNS.
a. 1 634
X24
b. 3472
X48
3- COPY AND MULTIPLY. BE SURE TO WRITE YOUR COLUMNS L CAREFULLY.
a. 356
X142
b. 2l8
X208
2- SOLVE THESE WORD PROBLEMS, MAKING COMPLETE STATEMENTS
a. A leaking tap wastes 3750 ml of water in I hour. How
much water will be wasted
in a day?
b. Rehan found out that he
can save 4726 ml of water
every day by not Leaving
the tap open continuously,
duringhis bath. How much
water can be saved in 25¢
days in this manner?
c. There are I440 minutes in a
day. How many minutes
are there in 8 weeks?
4- WRITE SUMS TO MATCH THE WORDS, THEN SOLVE THEM.
Multiplicand 226,
multiplier 483
226
X 483
l09l58
Multiplicand 381
multiplier 422
Multiplier 604,
multiplicand 304
5- SOLVE THESE IN YOUR HEAD!
a. 84 X 200
b. 763 X 400
c. 483 X I00
d. 258 X 900
e. 834 X 300
f. 582 X 700
PAGE: 22
REVIEW
Copg the sums, then fill in the missing signs, x or +.
QEI 7= 63
84E|2= 7
6O§l0= 6
4O§l4=56O
P-PP”?
Copy and complete.
t I40 + 2 = 70
Cl. 300 -1- 6 b. 750 +
I60 + 8 d. 630 +
Write the number that is:
I ,
i 3 of Q 3
~
<1. %<>f24 b. £3-of36
Write the missing quotients
360 + q
6400 -:- 8
480 + 6
Find the missing dividends
2
8
q
0|. +5
+8
-I-5
%of27 d ‘
Solve these word problems
Ci. How mung nines are there
in eighty-one?
If six pencils cost Rs 36 how
much does one pencil cost?
Solve the following
5 b
8
Divide these numbers by I0
|0O0-I-
7200+
t 47…4r7
0|. 50 b 574
2|0 d. O
Find the missing divisors
I0-‘
45+
56+
10- WRITE THESE SUMS IN LONG DIVISION FORM, THEN COMPLETE
Dividend 437, divisor 7
Divisor 8, dividend I44
Dividend 32, divisor 8
PAGE: 23
PAGE:24
Q1 USING THE CHART ON PAGE 23 COPY AND COMPLETE THE FOLLOWING.
14)408
16)931
C. 12) 269
D. 17) 695
E. 15)530
F.18)586
Q2:
Q3:
Q 4.SOLVE THE WORD PROBLEMS, MAKING COMPLETE STATEMENTS.
(a) In a relay race, I6 children
ran a total of 9600 m. How
many metres did each child
run?
Solution:
Total children=16
Total race=9600m
Each child ran= 9600÷16
=600 meters
(b)A jug contains 1440 ml of
orange juice. If I2 children
share the juice equally, how
much does each child get?
Solution:
Total children=12
Total juice=1440 ml
Each child got= 1440÷12
=120 ml
(c)If crayons are packed in
boxes of I6, how many
boxes are needed to pack
4000 crayons?
Solution:
Total boxes=16
Total crayons=4000
Each child ran= 4000÷16
=250 crayons
(d)Rs 5530 is collected for 7
families whose homes have
been damaged by floods.
How much money will each
family get?
Solution:
Total families=7
Total money=Rs 5530
Each family got= 5530÷7
= Rs 790
(e)Eleven children share the
first prize in a painting
contest. If the prize money is
Rs 5000, how much will each
child get, and how much
money will be left over?
Solution:
Total children=11
Total money=Rs 5000
Each child got= 5000÷11
= Rs 454 left over =6
Q5: WRITE DIVIDENDS IN THE BLANKS.
A
——— ÷ 17 = 6
B
——— ÷ 4 = 12
C
——— ÷ 3 = 13
D
——— ÷ 15 = 7
E
——— ÷ 18 = 4
f
——— ÷ 6 = 11
Q6:
Q7:
Q8:
Page:89
PART THREE
Q I. Work with the calculator and find the answers ‘for the following.
a. , , , , , , , ,
b. ,