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NCERT Solution for Class 6 Maths Chapter 1

Exercises

123 Qs

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Can you instantly find the greatest and the smallest numbers in this row?
, , , , .
Was that easy? Why was it easy?

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Can you instantly find the greatest and the smallest numbers in this row?
, , , , .
Was that easy? Why was it easy?

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Can you instantly find the greatest and the smallest numbers in this row?
, , , , .
Was that easy? Why was it easy?

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Can you instantly find the greatest and the smallest number in this row?
, , , , .
Was that easy? Why was it easy?

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Find the greatest and the smallest numbers.
, , , .

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Find the greatest and the smallest numbers.
, , , .

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Find the greatest and the smallest numbers.
, , , .

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Find the greatest and the smallest numbers.
, , , .

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Use the given digits without repetition and make the greatest and smallest -digit numbers.
, , , .

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Use the given digits without repetition and make the greatest and smallest -digit numbers.
, , , .

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Use the given digits without repetition and make the greatest and smallest -digit numbers.
, , , .

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Use the given digits without repetition and make the greatest and smallest -digit numbers.
, , , .

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Use the given digits without repetition and make the greatest and smallest -digit numbers.
, , , .

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Now make the greatest and the smallest -digit numbers by using any one digit twice.
, , .

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Now make the greatest and the smallest -digit numbers by using any one digit twice.
, , .

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Now make the greatest and the smallest -digit numbers by using any one digit twice.
, , .

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Make the greatest and the smallest -digit numbers by using the below numbers and using any one digit twice. 
, ,

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Make the greatest and the smallest -digit numbers using any four different digits as given condition digit is always at ones place.

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Make the greatest and the smallest -digit numbers using any four different digits with condition, that is digit is always at tens place.

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Make the greatest and the smallest -digit numbers using any four different digits with conditions as given.
Digit is always at hundreds place.
Greatest


Smallest


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Make the greatest and the smallest -digit numbers using any four different digits with conditions as given.
Digit is always at thousands place
Greatest

Smallest


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Take two digits, say and . Make -digit numbers using both the digits equal number of times.
Which is the smallest number?
Which is the greatest number?

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Who is the tallest?

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Who is the shortest?
Can you arrange them in the increasing order of their heights?

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Who is the shortest?
Can you arrange them in the decreasing order of their heights?

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Sohan and Rita went to buy an almirah. There were many almirahs available with their price tags.
Can you arrange their prices in increasing order?

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Which to buy?
Sohan and Rita went to buy an almirah. There were many almirahs available with their price tags.
Can you arrange their prices in decreasing order?

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Arrange the following numbers in ascending order:
, , , .

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Arrange the following numbers in ascending order:
, , , .

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Arrange the following numbers in descending order:
, , , .
Make ten such examples of ascending/descending order and solve them.

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Arrange the following numbers in descending order:
, , , .
Make ten such examples of ascending/descending order and solve them.

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Read and expand the numbers wherever there are blanks.
 Number Number NameExpansion 
 20000 twenty thousand 
 26000 twenty six thousand 
 38400thirty eight  thousand four hundred  
 65740sixty five thousand seven hundred forty  
 89324 eighty nine thousand three hundred twenty four 
 50000 ----- ----
 41000 ---- ----
 47300 ---- ----
 57630 ---- ----
29485  ---- ----
 29085 ---- ----
 20085 ---- ----
Write five more 5-digit numbers, read them and expand them.

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Read and expand the numbers wherever there are blanks.
 NumberNumber Name Expansion 
 3,00,000 three lakh 
 3,50,000 three lakh fifty thousand
 3,53,500 three lakh fifty three
thousand five hundred
 
 4,57,928  
 4,07,928  
 4,00,829  
 4,00,029  

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What is

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What is

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What is

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What is

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What is

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Give five examples where the number of things counted would be more than -digit number.

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Starting from the greatest -digit number, write the previous five numbers in descending order.

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Starting from the smallest -digit number, write the next five numbers in ascending order and read them.

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Read these numbers. Write them using placement boxes and then write their expanded forms.
(i)
(ii)
(iii)
(iv)
Which is the smallest number?

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Read these numbers. Write them using placement boxes and then write their expanded forms.
(i)
(ii)
(iii)
(iv)
Which is the greatest number?

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Read these numbers. Write them using placement boxes and then write their expanded forms.
(i)
(ii)
(iii)
(iv)
Arrange these numbers in ascending and descending orders.

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Read these numbers.
(i)
(ii)
(iii)
(iv)
Write these numbers using placement boxes and then using commas in Indian as well as International System of Numeration.

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Read these numbers.
(i)
(ii)
(iii)
(iv)
Arrange these in descending order.

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Take three more groups of large numbers and do the exercise given.

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You have the following digits and . Using them, make five numbers each with digits.
Put commas for easy reading.

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You have the following digits and . Using them, make five numbers each with digits.
Arrange them in ascending and descending order.

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Take the digits and . Make any three numbers each with digits. Put commas for easy reading.

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From the digits and , make five numbers each with digits. Use commas.

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Fill in the blank.
lakh _______ ten thousand.

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Fill in the blank.
million ________ hundred thousand.

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Fill in the blank.
crore _______ ten lakh.

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Fill in the blank.
crore ______ million.

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Fill in the blank.
million _______ lakh.

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Place commas correctly and write the numerals:
Seventy three lakh seventy five thousand three hundred seven.

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Place commas correctly and write the numerals:
Nine crore five lakh forty one.

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Place commas correctly and write the numerals.
Seven crore fifty two-lakh twenty one thousand three hundred two.

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Place commas correctly and write the numerals:
Fifty eight million four hundred twenty three thousand two hundred two.

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Place commas correctly and write the numerals.
Twenty three lakh thirty thousand ten.

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Insert commas suitably and write the names according to Indian System of Numeration:
.

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Insert commas suitably and write the names according to Indian System of Numeration:
.

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Insert commas suitably and write the names according to Indian System of Numeration:
.

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Insert commas suitably and write the names according to Indian System of Numeration:
.

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Insert commas suitably and write the names according to International System of Numeration:
.

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Insert commas suitably and write the names according to International System of Numeration:
.

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Insert commas suitably and write the names according to International System of Numeration.
.

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Insert commas suitably and write the names according to International System of Numeration:
.

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How many centimetres make a kilometre?

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Name five large cities in India. Find their population. Also, find the distance in kilometres between each pair of these cities.

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How many milligrams make one kilogram?

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A box contains medicine tablets each weighing mg. What is the total weight of all the tablets in the box in grams and in kilograms?

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A bus started its journey and reached different places with a speed of km/hour. The journey is shown in given figure.

Find the total distance covered by the bus from A to D.

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A bus started its journey and reached different places with a speed of km/hour. The journey is shown in given figure.

Find the total distance covered by the bus from D to G.

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A bus started its journey and reached different places with a speed of km/hour. The journey is shown in given figure.
Find the total distance covered by the bus, if it starts from A and returns back to A.

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A bus started its journey and reached different places with a speed of km/hour. The journey is shown in given figure.

Can you find the difference of distances from C to D and D to E?

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A bus started its journey and reached different places with a speed of km/hour. The journey is shown in given figure.

Find out the time taken by the bus to reach A to B.

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Find out the time taken by the bus to reach C to D.

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A bus started its journey and reached different places with a speed of km/hour. The journey is shown in given figure.

Find out the time taken by the bus to reach E to G.

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A bus started its journey and reached different places with a speed of km/hour. The journey is shown in given figure.

Find out the time taken by the bus to reach Total journey.

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Can you find the total weight of apples and oranges Raman sold last year?
Weight of apples __________ kg
Weight of oranges __________kg
Therefore, total weight _______kg______kg _______ kg.

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Can you find the total money Raman got by selling apples?

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Can you find the total money Raman got by selling apples and oranges together?

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Make a table showing how much money Raman received from selling each them. Arrange the entries of amount of money received in descending order. Find the item which brought him the highest amount. How much is this amount?

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A book exhibition was held for four days in a school. The number of tickets sold at the counter on the first, second, third and final day was respectively , , and . Find the total number of tickets sold on all the four days.

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Shekhar is a famous cricket player. He has so far scored runs in test matches. He wishes to complete runs. How many more runs does he need?

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In an election, the successful candidate registered votes and his nearest rival secured votes. By what margin did the successful candidate win the election?

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Kirti bookstore sold books worth in the first week of June and books worth in the second week of the month. How much was the sale for the two weeks together? In which week was the sale greater and by how much?

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Find the difference between the greatest and the least -digit number that can be written using the digits each only once.

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A machine, on an average, manufactures screws a day. How many screws did it produce in the month of January ?

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A merchant had with her. She placed an order for purchasing radio sets at each. How much money will remain with her after the purchase?

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A student multiplied by instead of multiplying by . By how much was his answer greater than the correct answer?

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To stitch a shirt, m cm cloth is needed. Out of m cloth, how many shirts can be stitched and how much cloth will remain?

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Medicine is packed in boxes, each weighing kg g. How many such boxes can be loaded in a van which cannot carry beyond kg?

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The distance between the school and a student's house is km m. Everyday she walks both ways. Find the total distance covered by her in six days.

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A vessel has litres and ml of curd. In how many glasses, each of ml capacity, can it be filled?

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Round these numbers to the nearest tens.
.

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Round off the given numbers to the nearest tens, hundreds and thousands.

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Estimate the following product.
.

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Estimate the following product.
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Estimate the following product.
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Estimate the following product.
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Estimate the following using general rule.
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Estimate the following using general rule.
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Estimate the following using general rule.
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Estimate the following using general rule.
.

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Give a rough estimate(by rounding off to nearest hundreds) and also a closer estimate(by rounding off to nearest tens):
.

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Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens):
.

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Give a rough estimate(by rounding off to nearest hundreds) and also a closer estimate(by rounding off to nearest tens):
.

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Give a rough estimate(by rounding off to nearest hundreds) and also a closer estimate(by rounding off to nearest tens):
.

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Estimate the following products using general rule:
.

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Estimate the following products using general rule:
.

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Estimate the following products using general rule:
.

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Estimate the following products using general rule.

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Write the expressions for the following using brackets.
Four multiplied by the sum of nine and two.

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Write the expressions for the following using brackets.
Divide the difference of eighteen and six by four.

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Write the expressions for the following using brackets.
Forty five divided by three times the sum of three and two.

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Write three different situations for . (One such situation is: Sohani and Reeta work for days; Sohani works hours a day and Reeta hours a day. How many hours do both of them work in a week?)

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Write five situations for the following where brackets would be necessary.
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Write five situations for the following where brackets would be necessary.
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Write in Roman numerals.
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Write in Roman numerals.
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