Telangana SCERT Class 6 Maths Chapter 1 Solution – Knowing our Numbers. Here in this post we provides Class 6 Maths Knowing our Numbers Telangana State Board Solution. Telangana State Board English Class VI Medium Students can download this Solution to Solve out Improve Your Learning Questions and Answers.
Telangana State Board Class 6 Maths Chapter 1 Knowing our Numbers Solution:
EXERCISE – 1.1
1.) Which is the greatest and the smallest among the group of numbers:
i.) 15432, 15892, 15370, 15524
ANSWER:
We have to find the greatest and the smallest among the 15432, 15892, 15370, and 15524
Greatest Number = 15892
Smallest Number = 15370
ii.) 25073, 25289, 25800, 25623
ANSWER:
We have to find the greatest and the smallest among the 25073, 25289, 25800, and 25623
Greatest Number = 25800
Smallest Number = 25073
iii.) 44687, 44645, 44670, 44602
ANSWER:
We have to find the greatest and the smallest among the44687, 44645, 44670, and 44602
Greatest Number = 44687
Smallest Number = 44602
iv.) 75671, 75635, 75641, 75610
ANSWER:
We have to find the greatest and the smallest among the 75671, 75635, 75641, and 75610
Greatest Number = 75671
Smallest Number = 75610
v.) 34895, 34891, 34899, 34893
ANSWER:
We have to find the greatest and the smallest among the 34895, 34891, 34899, and 34893
Greatest Number = 34899
Smallest Number =34891
2.) Write the numbers in ascending (increasing) order:
i.) 375, 1475, 15951, 4713.
ANSWER:
We have to write the numbers in ascending (increasing) order.
The ascending (increasing) order of numbers are 375, 1475, 4713, 15951
ii.) 9347, 19035, 22570, 12300
ANSWER:
We have to write the numbers in ascending (increasing) order.
The ascending (increasing) order of numbers are 9347, 12300, 19035, 22570
3.) Write the numbers in descending (decreasing) order:
i.) 1876, 89715, 45321, 89254
ANSWER:
We have to write the numbers in descending (decreasing) order
The descending (decreasing) order of numbers are 89715, 89254, 45321, 1876
ii.) 3000, 8700, 3900, 18500
ANSWER:
We have to write the numbers in descending (decreasing) order
The descending (decreasing) order of numbers are 18500, 8700, 3900, 3000
4.) Put appropriate symbol (< or >) in the space given:
i.) 3854 ……. 15200
ANSWER:
Here we have to compare numbers.
3854 < 15200
ii.) 4895 ……. 4864
ANSWER:
Here we have to compare numbers.
4895 > 4864
iii.) 99454 ……. 99445
ANSWER:
Here we have to compare numbers.
99454 >99445
iv.) 14500 ……. 14499
ANSWER:
Here we have to compare numbers.
14500 > 14499
5.) Write the numbers in words:
i.) 72642 =……………………………………………………………………………………………
ANSWER:
Here, we have to write given number in word.
72642 = Seventy two thousand six hundred forty two
ii.) 55345 =……………………………………………………………………………………………
ANSWER:
Here, we have to write given number in word.
55345 = Fifty five thousand three hundred forty five
iii.) 66600 =……………………………………………………………………………………………
ANSWER:
Here, we have to write given number in word.
66600 = Sixty six thousand six hundred
iv.) 30301 =……………………………………………………………………………………………
ANSWER:
Here, we have to write given number in word.
30301 =Thirty thousand three hundred one.
6.) Write the numbers in figures:
i.) Forty thousand two hundred seventy ………………………………
ANSWER:
Here, we have to convert given words in number.
Forty thousand two hundred seventy = 40270
ii.) Fourteen thousand sixty four ………………………………
ANSWER:
Here, we have to convert given words in number.
Fourteen thousand sixty four = 14064
iii.) Nine thousand seven hundred ………………………………
ANSWER:
Here, we have to convert given words in number.
Nine thousand seven hundred = 9700
iv.) Sixty thousand………………………………
ANSWER:
Here, we have to convert given words in number.
Sixty thousand = 60000
7.) Form four digit numbers with the digits 4, 0, 3, 7 and find which is the greatest and the smallest among them?
ANSWER:
Given 4 digits are 4, 0, 3, 7.
We have to find the greatest and the smallest four digit numbers.
Greatest four digit numbers = 7430
Smallest four digit numbers = 3047
8.) Write
i.) the smallest four digit number?
ANSWER:
The smallest four digit number is 1000.
ii.) The greatest four digit number?
ANSWER:
The greatest four digit number is 9999.
iii.) The smallest five digit number?
ANSWER:
The smallest five digit number is 10000.
iv.) The greatest five digit number?
ANSWER:
The greatest five digit number is 99999.
EXERCISE – 1.2
1.) Round off the following numbers to the nearest tens:
i.) 89
ANSWER:
Here, we have to round off the given numbers to the nearest tens.
89 = round off number to the nearest ten is 90
ii.) 415
ANSWER:
Here, we have to round off the given numbers to the nearest tens.
415 = round off number to the nearest ten is 420
iii.) 3951
ANSWER:
Here, we have to round off the given numbers to the nearest tens.
3951 = round off number to the nearest ten is 3950.
iv.) 4409
ANSWER:
Here, we have to round off the given numbers to the nearest tens.
4409 = round off number to the nearest ten is 4410.
2.) Round off the following numbers to the nearest hundreds:
i.) 695
ANSWER:
Here, we have to round off the given numbers to the nearest hundreds
695 = round off number to the nearest hundred is 700.
ii.) 36152
ANSWER:
Here, we have to round off the given numbers to the nearest hundreds
36152 = round off number to the nearest hundred is 36200.
iii.) 13648
ANSWER:
Here, we have to round off the given numbers to the nearest hundreds
13648 = round off number to the nearest hundred is 13600.
iv.) 93618
ANSWER:
Here, we have to round off the given numbers to the nearest hundreds
93618 = round off number to the nearest hundred is 93600.
3.) Round off the following numbers to the nearest thousands:
i.) 3415
ANSWER:
Here, we have to round off the given numbers to the nearest thousands
3415 = round off number to the nearest thousand is 3000
ii.) 70124
ANSWER:
Here, we have to round off the given numbers to the nearest thousands
70124 = round off number to the nearest thousand is 70000
iii.) 8765
ANSWER:
Here, we have to round off the given numbers to the nearest thousands
8765 = round off number to the nearest thousand is 9000
iv.) 4001
ANSWER:
Here, we have to round off the given numbers to the nearest thousands
4001 = round off number to the nearest thousand is 4000
4.) Write the numbers in short form:
i.) 3000 + 400 + 7
ANSWER:
Here, we have to write addition of given numbers.
3000 + 400 + 7 = 3407
ii.) 10000 + 2000 + 300 + 50 + 1
ANSWER:
Here, we have to write addition of given numbers.
10000 + 2000 + 300 + 50 + 1 = 12351
iii.) 30000 + 500 + 20 + 5
ANSWER:
Here, we have to write addition of given numbers.
30000 + 500 + 20 + 5 = 30525
iv.) 90000 + 9000 + 900 + 90 + 9
ANSWER:
Here, we have to write addition of given numbers.
90000 + 9000 + 900 + 90 + 9 = 99999
5.) Write the expanded form of the numbers:
i.) 4348
ANSWER:
Here, we have to write the expanded form of the given number.
4348 = 4000 + 300 + 40 + 8
ii.) 30214
ANSWER:
Here, we have to write the expanded form of the given number.
30214 = 30000 + 200 + 10 + 4
iii. )22222
ANSWER:
Here, we have to write the expanded form of the given number.
22222 = 20000 + 2000 + 200 + 20 + 2
iv.) 75025
ANSWER:
Here, we have to write the expanded form of the given number.
75025 = 70000 + 5000 + 20 + 5
EXERCISE – 1.3
1.) Write the numbers using commas according to place values.
i.) 11245670
ANSWER:
Here, we have to use commas according to place values.
11245670 = 1, 12, 45,670
ii.) 22402151
ANSWER:
Here, we have to use commas according to place values.
22402151 = 2, 24, 02,151
iii.) 30608712
ANSWER:
Here, we have to use commas according to place values.
30608712 = 3, 06, 08,712
iv.) 190308020
ANSWER:
Here, we have to use commas according to place values.
190308020 = 19, 03, 08,020
2.) Write the numbers in words
i.) 34,025
ANSWER:
Here, we write given number in words.
34,025 = Thirty four thousand twenty five
ii.) 7, 09,115
ANSWER:
Here, we write given number in words.
7, 09,115 = Seven lakh nine thousand one hundred fifteen
iii.) 47, 60, 00,317
ANSWER:
Here, we write given number in words.
47, 60, 00,317 = Forty seven crore sixty lakh three hundred seventeen
iv.) 6, 18, 07,000
ANSWER:
Here, we write given number in words.
6, 18, 07,000 = Six crore eighteen lakh seven thousand.
3.) Write the number in figures.
i.) Four lakh fifty seven thousand four hundred.
ANSWER:
Here, we write given words in number.
Four lakh fifty seven thousand four hundred. = 4,57,400
ii.) Sixty lakh two thousand and seven hundred seventy five.
ANSWER:
Here, we write given words in number. = 60, 02,775
iii.) Two crore fifty lakh forty thousand three hundred and three.
ANSWER:
Here, we write given words in number.
Two crore fifty lakh forty thousand three hundred and three = 2, 50, 40,303
iv.) Sixty crore sixty lakh sixty thousand six hundred.
ANSWER:
Here, we write given words in number.
Sixty crore sixty lakh sixty thousand six hundred. = 60, 60, 60,600
4.) Write the numbers in expanded form:
i.) 6, 40,156
ANSWER:
We write given number in expanded form.
6, 40,156 =600000 + 40000 + 100 + 50 + 6
ii.) 63, 20,500
ANSWER:
We write given number in expanded form.
63, 20,500 = 6000000+300000+20000+500
iii.) 1, 25, 30,275
ANSWER:
We write given number in expanded form.
1, 25, 30,275 = 10000000 + 2000000 + 500000 + 30000 + 200 + 70 + 5
iv.) 75, 80, 19,202
ANSWER:
We write given number in expanded form.
75, 80, 19,202 = 700000000 + 50000000 + 8000000 + 10000 + 9000 + 200 + 2
5.) Write the following numbers in short form (standard notation):
i.) 50, 00,000 + 4, 00,000 + 20,000 + 8,000 + 500 + 20 + 4
ANSWER:
We write given expanded form in numbers.
50, 00,000 + 4, 00,000 + 20,000 + 8,000 + 500 + 20 + 4 = 54, 28, 524
ii.) 6, 00, 00,000 + 40, 00,000 + 3, 00,000 + 20,000 + 500 + 1
ANSWER:
We write given expanded form in numbers.
6, 00, 00,000 + 40, 00,000 + 3, 00,000 + 20,000 + 500 + 1 = 6, 43, 20, 501
iii.) 3, 00, 00,000 + 3, 00,000 + 7,000 + 800 + 80 + 1
ANSWER:
We write given expanded form in numbers.
3, 00, 00,000 + 3, 00,000 + 7,000 + 800 + 80 + 1 = 3, 03, 07, 881
iv.) 7, 00, 00,000 + 70, 00,000 + 7000 + 70.
ANSWER:
We write given expanded form in numbers.
7, 00, 00,000 + 70, 00,000 + 7000 + 70. = 7, 70, 07, 070
6.) Which is larger between each of these two? Use greater than symbol (>) and write:
i.) 4, 67,612 or 18, 71,964
ANSWER:
We find larger number between two.
18, 71, 964 > 4, 67, 612
ii.) 14, 35, 10,300 or 14, 25, 10,300
ANSWER:
We find larger number between two.
14, 35, 10, 300 > 14, 25, 10, 300
7.) Which is smaller between each of these two? Use less than symbol (<) and write:
i.) 2, 00,015 or 99,999
ANSWER:
We find smaller number between two.
99, 999 < 2, 00, 015
ii.) 13, 50,050 or 13, 49,785
ANSWER:
We find smaller number between two.
13, 49, 785 < 13, 50, 050
EXERCISE – 1.4
1.) Write the numbers using commas according to International system of numeration.
i.) 97645315
ANSWER:
We write given numbers according to International system of numeration.
97645315 = 97, 645, 315
ii.) 20048421
ANSWER:
We write given numbers according to International system of numeration.
20048421 = 20, 048, 421
iii.) 476356
ANSWER:
We write given numbers according to International system of numeration.
476356 = 476, 356
iv.) 9490026834
ANSWER:
We write given numbers according to International system of numeration.
9490026834 =9, 490, 026, 834
2.) Collect the mobile numbers of your friends and other family members. Write them using commas and read them in International system.
ANSWER:
Examples of mobile numbersin International system.
9,921,456,780
9,888,143,348
3.) Write the numbers in words in both Indian and International system:
i.) 123115027
ANSWER:
We write given number in both Indian and International system.
123115027 =
Indian system = Twelve crore thirty one lakh fifteen thousand twenty seven
International system = One hundred twenty three million one hundred fifteen thousand twenty seven
ii.) 89643092
ANSWER:
We write given number in both Indian and International system.
89643092
Indian system =Eight crore ninty six lakh forty three thousand ninty two
International system =Eight nine million six hundred forty three thousand ninty two
4.) Read the number carefully and answer the following:
302,179,468
i.) The digit at millions place
ANSWER:
In 302,179,468,
The digit at millions place is 2.
ii.) The digit at hundreds place
ANSWER:
In 302,179,468,
The digit at hundreds place is 4.
iii.) The digit in ten millions place
ANSWER:
In 302,179,468,
The digit in ten millions place is 0.
iv). How many millions are there in the number?
ANSWER:
In 302,179,468,
There are Three hundred twomillions are there in the number.
EXERCISE – 1.5
1.) The number of people who visited during common wealth games in New Delhi for the first four days was recorded as 15,290; 14,181; 14,235 and 10,578. Find the total number of people visited in these four days?
ANSWER:
Given that, number of people who visited during common wealth games in New Delhi for the first four days was recorded as 15,290; 14,181; 14,235 and 10,578.
We have to find total number of people visited in these four days.
Total number of people visited in these four days = 15,290 + 14,181 + 14,235 + 10,578.
Total number of people visited in these four days =54,284
2.) In Lok Sabha election, the elected candidate got 5, 87,500 votes and defeated candidate got 3, 52,768. By how many votes did the winner win the election?
ANSWER:
Given that,In Lok Sabha election, the elected candidate got 5, 87,500 votes and defeated candidate got 3, 52,768.
We have to find how many votes the winner won the election.
Votes the winner won the election = elected candidate vote – defeated candidate vote
Votes the winner won the election =5, 87,500 – 3, 52,768.
Votes the winner won the election =2, 34, 732
3.) Write the greatest and smallest 5-digit number formed by the digits 5, 3, 4, 0 and 7 and find their difference?
ANSWER:
We have to find the greatest and smallest 5-digit number formed by the digits 5, 3, 4, 0 and 7 and their difference.
Greatest number = 75430
Smallest number = 30457
Now we find difference.
Difference = 75430 – 30457
Difference = 44,973
4.) A bicycle industry makes 3,125 bicycles each day. Find the total number of bicycles manufactured for the month of July?
ANSWER:
Given, a bicycle industry makes 3,125 bicycles each day.
We have to find the total number of bicycles manufactured for the month of July.
We know there are 31 days in month of July.
The total number of bicycles manufactured for the month of July = 3,125 bicycles x 31
The total number of bicycles manufactured for the month of July =96875 bicycles
5.) A helicopter covers 600 km. in 1 hour. How much distance will it cover in 4 hours? Express your answer in meters.
ANSWER:
Given, helicopter covers 600 km. in 1 hour
We have to find total distance will it cover in 4 hours. We have to express in meters.
Total distance will it cover in 4 hours = 600 km x 4
Total distance will it cover in 4 hours = 2400 km.
We know,
1000 meter = 1 km.
2400 km = 24, 00,000 meter
6.) The total weight of a box of 5 biscuit packets of same size is 8kg 400 grams. What is the weight of each packet?
ANSWER:
Given,
The total weight of a box of 5 biscuit packets of same size is 8kg 400 grams.
We have to findthe weight of each packet.
The weight of each packet = the total weight of a box of 5 biscuit packets / 5
The weight of each packet = 8kg 400 grams / 5
The weight of each packet = 1680 grams = 1 kg 680 gm.
7.) The distance between the school and the bus stop is 1 km 875 m. Everyday Gayatri walks both the ways to attend the school. Find the total distance she walked in 6 days?
ANSWER:
Given, the distance between the school and the bus stop is 1 km 875 m.
Gayatri walks both the ways to attend the school.
We have to findthe total distance she walked in 6 days.
Distance that Gayatri walks in 1 day = 1 km 875 m x 2 = 3.5 km.
Distance that Gayatri walks in 6 days = 3.5 km x 6
Distance that Gayatri walks in 6 days =22 km 500 m
8.) The cloth required to make a shirt of school uniform for each boy is 1 m 80 cm. How many shirts can tailor stich using 40m of cloth? How much cloth will be left?
ANSWER:
Given, the cloth required to make a shirt of school uniform for each boy is 1 m 80 cm.
We have to find how many shirts can tailor stich using 40m of cloth. Also
We have to find how much cloth will be left.
Shirts can tailor stich using 40m of cloth = 40 metre / 1 m 80 cm
Shirts can tailor stich using 40m of cloth = 22 Shirts.
22 Shirts x 1 m 80 cm = 39.60 m
Cloth will be left = 40 m – 39.60 m
Cloth will be left = 40 cm.
9.) The cost of petrol is Rs.60 per litre. A petrol bunk sells 750 litres of petrol on a day. How much money do they get at the end of the day?
ANSWER:
Given,
The cost of petrol is Rs.60 per litre. A petrol bunk sells 750 litres of petrol on a day.
We have to find how much money they get at the end of the day.
Money they get at the end of the day = 750 litres x Rs.60 per litre.
Money they get at the end of the day = Rs.45000
Rs.45000money do they get at the end of the day.