01. Place
commas correctly and write the numerals:
Seventy
three lakh seventy five thousand three hundred seven.
Nine
crore five lakh forty one.
Seven
crore fifty two lakh twenty one thousand three hundred two.
Fifty
eight million four hundred twenty three thousand two hundred two.
Twenty
three lakh thirty thousand ten.
02. Insert commas suitably and write the names according to Indian and International System of Numeration :
(a)
87595762 (b) 8546283
(c) 99900046 (d) 98432701
03. Write
the successor and predecessor of the largest 4-digit number
04. Use
the given digits without repetition and make the greatest and smallest 4-digit
numbers.
(a) 2, 8, 7, 4 (b) 9, 7, 4, 1
05. Arrange
the following numbers in ascending order :
(a)
847, 9754, 8320, 571
(b) 9801, 25751, 36501, 38802
06. 2.
Arrange the following numbers in descending order :
(a)
5000, 7500, 85400,
7861 (b) 1971, 45321, 88715, 92547
07. write
in expanded forms.
(i)
475320 (ii) 9847215 (iii) 97645310
08. Wite
the conversion rule for length
09. Write
the conversion rule for Mass
10. Write
the conversion rule for capacity
11. Change
(a)
(a)
5 metre = _____
millimetres.
(b)
2centimetre = _____ decametres.
(c)
1 kilometre = _____ decimetres.
(d) 1 gram = _____ hectograms.
(e) 1 litre = _____ millilitres.
(f) 1 kilogram = _____ miligrams.
12. Write
in Roman Numerals (a) 40 (b) 60 (c) 90
(d) 120 (e) 160 (f) 450 (g) 600
13. Write
in Hindu-Arabic numerals: XX XL
LXX CM CXC
DCCLXX CCX
14. Estimate
each of the following
(a)
874 + 478
(b)
793 + 397
(c)
76877 – 7783
(d)
10732 – 4354
87
× 32
311×113
152
÷ 20
4560
÷ 23
15. Show
on the number line: (a) 9 + 3 (b) 8 – 4
(c) 5 x 3
16. Properties
of whole numbers
17. Compare
the whole numbers 9 and 7 with the help of number line
18. Write
6 consecutive whole numbers beginning from 1997
19. Write
two subtraction statement for 356 + 675
20. Subtract
5674 from 78945 and check the answer with corresponding addition
21. Find
the value of (a) 54 x 198 (b) 185 x 3 + 7 x 185 using distibutve property
22. Divide
and check the answer by corresponding multiplication
23. 1375528
÷ 56
24. Divide
and check by division algorithm: 14960 ÷ 42
25. Draw
patters for (a) 20 as rectangular pattern (b) 15 as triangular pattern
(c)
36 as square pattern
26. Simplify:
(a)
36 ÷ 6 x 5 (b) 5 x ( 63÷
7 ) + 7
27. Write the Factors of (a) 45 (b) 96
(c) 180 (d) 560
28. Write
first ten Multiples of (a) 8 (b) 14 (c)
21
29. Write
Prime numbers between 1 and 100
30. Write
the Composite numbers between 1 and 50
31. Find
the Prime factorization of (a) 75 (b)
120 (c) 520
32. Find
the HCF of (a) 24 , 36 (b) 32,
40 (c)
50 , 75 (d) 30 , 45
(e) 44, 66
33. Find
LCM of (a) 24 , 36 (b) 32, 40 (c)
50 , 75 (d) 30 , 45
(e) 44, 66
34. The
product of two numbers is 720. If their LCM is 120, find their GCD
35. The
product of two numbers is 300. If their GCD is 5, find their LCM
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