Mathematics for Class 6
4. Write the corresponding numeral for each of the following:
(1) 6 x 10000 + 2 x 1000 + 5 x 100 + 8 x 10 + 4×1
(1) 5 x 100000 + 8 x 10000 + 1 x 1000 + 6 x 100 +2 x 10 + 3×1
(ii) 2 x 10000000 + 5 x 100000 + 7 x 1000 +9 x 100 + 5 x1
liv) 3 x 1000000 + 4 x 100000 + 6 x 1000 + 5 x 100 + 7 x1
5. Find the difference between the place values of the two nines in 79520986.
6. Find the difference between the place value and the face value of 7 in 27650934.
7. How many 6-digit numbers are there in all?
18. How many 7-digit numbers are there in all?
9. How
many thousands make a lakh?
10. How many thousands make a crore?
11. Find the difference between the number 738 and that obtained on reversing its digits.
12. What comes just after 9547999?
13. What comes just before 9900000?
14. What comes just before 10000000?
15. Write all 3-digit numbers using 2, 3, 4, taking each digit only once.
16. Write the smallest number of different digits formed by using the digits 3, 1, 0, 5 and 7
17. Write the largest number of different digits formed by using the digits 2, 4, 0, 3, 6 and 9.
18. Rewrite each of the following numerals with proper commas, using the international place-
value chart. Also, write the number name of each in the international system.
(i) 735821
(ii) 6057894
(iii) 56943821
(iv) 37502093
(v) 89350064
(vi) 90703006
19. Write each of the following in figures in the international place-value chart:
(i) Thirty million one hundred five thousand sixty-three
(ii) Fifty-two million two hundred five thousand six
(iii) Five million five thousand five
Step-by-step explanation:
4. 1)62,584.
2)58,01,623.
3)2,01,07,905.
4)34,06,507.
5. place value of 9 = 9000000
– 900
= 8999100.
6. place value of 7 = 7000000
face value of 7 = – 7
=6999993.
7. 999999
-100000
= 899999.
8. 9999999
– 1000000
= 8999999.
9. 1 lakh = 1,00,000 = hundred thousands.
10. 1 crore = 1,00,00,000 = thousand thousands.
11. 738
– 378
=350.
12. 9548000.
13. 9890000.
14. 9999999.
15. 234
243
324
342
423
432.
16. 10357.
17. 964320.
18.
1)735,821 = seven hundred thirty five thousand eight hundred and twenty one.
2)6,057,894 = six million fifty seven thousand eight hundred and ninety four.
3)56,943,821 = fifty six million nine hundred forty three thousand eight hundred and twenty one.
4)37,502,093 = thirty seven million five hundred two thousand and ninety three.
5)89,350,064= eighty nine million three hundred fifty thousand and sixty four.
6)90,703,006=ninety million seven hundred three thousand and six.
19.
1) 30,105,063.
3 = ten million
1 = hundred thousand
5 = five thousand
6 = tens
3 = ones.
2) 50,205,006.
5 = ten million
2 = hundred thousand
5 = thousand
6 = ones
3) 50,005,005.
5 = five million
5 = five thousand
5 = five.