003 5TH SOLUTION CHAP1

Q 1- Write the number names of the following numbers using the Indian system of numeration.

a- 1,45,37,619- One crore forty five lakh thirty seven thousand six hundred nineteen.

b- 50,00,17,009- Fifty crore seventeen thousand nine.

c- 6,00,00,010- Six crore ten.

d- 85,00,11,045- Eighty five crore eleven thousand forty five.

Q 1

Q 2- Write the numerals for the following using the Indian system.

a- 35,29,70,717

b- 8,13,40,012

c- 75,43,65,409

d- 6,06,06,006

Q 2

Q 3- Write the numerals in words.

Q 3

a- The smallest eight digit number-1,00,00,000- One crore

b- The smallest nine digit number-10,00,00,000- Ten crore

c-The greatest seven digit number-99,99,999- Ninety nine lakh ninety nine thousand nine hundred ninety nine.

d-The greatest eight digit number-9,99,99,999- Nine crore ninety nine lakh ninety nine thousand nine hundred ninety nine.

Q 4- Write the numerals in figures.

a- 10,00,000+93,45,687=103,45,687

b- 1,00,000+4,38,729=5,38,729

c- 5,90,47,961-1,00,000= 5,89,47,961

d- 1,89,250-25,000=1,64,250

Q 4

Q 5- Write the place value of the encircled digits 5 and 7.

a- 5,00,27,934 5,00,00,000

7,000

b- 45,73,64,102 5,00,00,000

70,00,000

c- 70,02,05,004 5,000

70,00,00,000

d- 40,70,02,050 50

70,00,000

Q 5

Q 6- Express the following numbers in expanded form.

Q 6

a- 54,27,30,560= 50,00,00,000+ 4,00,00,000+20,00,000+7,00,000+

30,000+0+500+60+0

b- 12,34,56,789= 10,00,00,000+ 2,00,00,000+30,00,000+4,00,000+

50,000+6,000+700+80+9

c- 3,81,80,700= 3,00,00,000+ 80,00,000+1,00,000+

80,000+0+700+0+0

d- 98,76,54,301= 90,00,00,000+ 8,00,00,000+70,00,000+6,00,000+

50,000+4,000+300+0+1

Q 7- Express the following numbers in standard form.

Q 7

a- 30,00,00,000+ 6,00,00,000 +50,00,000+1,00,000+ 40,000 +2,000+ 600+50+9=36,51,42,659

b- 7 ten crore+6 crore+ 8 ten lakh+ 3lakh+ 5 ten thousand+ 7 thoudand+ 6 hundred+ 5 tens+ 3 ones =76,83,57,653

c- 8×10,00,00,000+ 7×10,00,000 +5×10,000 +4×1,000+3×100 +5×10+7×1 =80,70,54,357

Q 8- Write the number names of the following using International system of numeration.

Q 8

a- 9,682,340- Nine million six hundred eighty two thousand three hundred forty.

b- 70,707,007- Seventy million seven hundred seven thousand seven.

c- 27,500,231- Twenty seven million five hundred thousand two hundred thirty one.

d- 19,888,888- Nineteen million eight hundred eighty eight thousand eight hundred eighty eight.

e- 3,004,605- Three million four thousand six hundred five

f- 10,203,001- Ten million two hundred three thousand one.

Q 9- Write the numerals using International system of numeration.

a- 99,000,000

b- 605,006,602

c- 500,606,101

d- 400,400,400

Q 9

Q 10- Write in ascending order.

a- 58,14,62,132 58,41,62,132 58,14,26,132 58,41,62,321

ans- 58,14,26,132 58,14,62,132 58,41,62,132 58,41,62,321

b- ans- 1,55,55,732 1,55,58,237 1,55,58,732

1,55,85,732

c- ans- 5,00,00,000 5,05,00,500 5,05,55,555 5,50,00,000

d- ans- 7,04,41,114 7,04,99,999 7,24,43,652 7,34,43,652

Q 10

Q 11-Write in descending order.

a- 9,17,23,704 9,18,23,704 8,17,23,704 9,17,24,504 9,17,23,714

ans-9,18,23,704 9,17,24,504 9,17,23,714 9,17,23,704 8,17,23,704

b- 57,41,50,706 57,40,30,706 57,40,30,506 9,99,99,999 4,99,99,999

c- 62,22,76,345 62,12,77,943 62,12,76,345 62,12,76,167 62,02,87,453

d- 14,36,73,840 14,36,37,840 14,33,76,840 14,33,76,480 13,44,80,645

Q 11

Q 12- Find the period and the place value of the underlined digits.

Q 12

Q 13- Carefully notice the order of the given numbers and complete the series.

a- 33,42,53,673 34,42,53,673 35,42,53,673 36,42,53,673 37,42,53,673 38,42,53,673

b- 10,11,10,100 10,21,10,200 10,31,10,300

10,41,10,400 10,51,10,500 10,61,10,600

c- 527,670,173 527,770,173 527,870,173

527,970,173 528,070,173 528,170,173

d- 14,55,41,451 24,56,41,551 34,57,41,651

44,58,41,751 54,59,41,851 64,60,41,951

Q 13

Q 14- Write the greatest and smallest possible number using the given digits.

Q 14

Q 1- Round off the given numbers to the nearest 10.

a- 4= 0

b- 7=10

c- 62=60

d-198=200

e- 9819=9820

f-28,14,006=28,14,010

Q 1

Q 2- Round off the following numbers to the nearest 100,1000 and 10,000.

Q 2

Q 3- Round off to the nearest lakh and ten lakh.

Q 3

a- 54,22,737 - 54,00,000 -lakh

50,00,000-ten lakh

b- 86,29,290 - 86,00,000 -lakh

70,00,000-ten lakh

c- 1,52,89,923 - 1,53,00,000 -lakh

1,50,00,000-ten lakh

d- 7,43,743 - 7,00,000 -lakh

e- 53,72,819 - 54,00,000 -lakh

50,00,000-ten lakh

f- 84,23,452- 84,00,000 -lakh

80,00,000-ten lakh

g- 2,12,701 - 2,00,000 -lakh

h- 41,41,410 - 41,00,000 -lakh

40,00,000-ten lakh

Q 1- Find the first ten square numbers.

Q 1

a- 1×1=1

b- 2×2=4

c- 3×3=9

d- 4×4=16

e- 5×5=25

f- 6×6=36

g- 7×7-49

h- 8×8=64

i- 9×9=81

j- 10×10=100

Q 2- Complete the given triangles by intersecting the missing numbers.

Q 2

Q 3-State whether the following numbers are square number or not (yes or no)

Q 3

a-381363 no

b- 271441 yes

c- 3969 yes

d- 19321 yes

e- 613187 no

f- 12769 yes

g- 45368 no

h- 56644 yes

i- 90000 yes