01.
Place
commas in both Indian and international system and write in words.
(a) 87595762 (b) 8546283 (c)
99900046 (d) 98432701
(a) Seventy three lakh seventy
five thousand three hundred seven.
(b) Nine crore five lakh forty
one.
(c) Seven crore fifty two lakh
twenty one thousand three hundred two.
(d) Fifty eight million four
hundred twenty three thousand two hundred two.
(e) Twenty three lakh thirty
thousand ten.
03.
Write
in expanded notation
(i) 475020 (ii) 807215 (iii)
7045310
04.
Form
a largest 4-digit number and smallest 4-digit number using the digits 1, 9 ,8,
3 only once and find the difference between them.
05.
Form
a largest 5-digit number and smallest 5-digit number using the digits 3, 7 ,6,
4 only once and find the sum.
06.
Write
in ascending order
(a) 847, 9754, 8320, 571 (b) 9801, 25751,
36501, 38802
07.
Write
in descending order
(a) 5000, 7500, 85400, 7861 (b)
1971, 45321, 88715, 92547
08.
Find
two numbers whose total is 24 and the difference is 6
09.
Find
two numbers whose difference is 3 and the product is 27
10.
Find
two numbers whose total is 7 and product is 10
11.
Multiply:
(a) 567389 x 267 (b) 82456 x 123 (c) 4567 x 100 (d) 262 x 98
(e) 424 x 101
12.
Divide:
(a) 345824 ÷142 (b) 25,560 ÷ 56
13.
Write
the divisibility test for 2,3,4,5,6,8,9,10,11,12,15,25
14.
Check
whether the following numbers are divisible:
Number
|
2
|
3
|
4
|
5
|
6
|
8
|
9
|
10
|
11
|
12
|
15
|
25
|
45,366
|
||||||||||||
9,02,340
|
||||||||||||
98,505
|
||||||||||||
65,070
|
||||||||||||
67,831
|
||||||||||||
51,23,645
|
15.
Draw
factor tree for (a) 14 (b) 78 (c) 96
(d) 242 (e) 152 (f) 560
16.
Find
the HCF of (a) 24 , 36 (b) 32,
40 (c)
50 , 75 (d) 30 , 45
(e) 44, 66
17.
Find
LCM of (a) 24 , 36 (b) 32, 40 (c)
50 , 75 (d) 30 , 45
(e) 44, 66
18.
The
product of two numbers is 720. If their LCM is 120, find their GCD
19.
The
product of two numbers is 300. If their GCD is 5, find their LCM
20.
Types
of fractions with examples
29.
Find area and perimeter of rectangle whose (a) length = 12 cm breadth is 4 cm
(b) length = 9m breadth is 2m (c) length = 20 cm breadth is 10 cm
30.
Draw a line segment of (a) 7 cm (b) 3.5 cm (c) 7.8 cm
31.
Construct a circle with a radius (a) 7 cm
(b) 4.5 cm
32.
Draw concentric circles with radius 4 cm and 6 cm
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