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Mathematics Assignments & Worksheets For Class IX Chapter-wise mathematics assignment for class 09. Important and useful extra questions strictly according to the CBSE syllabus and pattern with answer key CBSE Mathematics is a very good platform for the students and is contain the assignments for the students from 9 th to 12 th standard. Here students can find very useful content which is very helpful to handle final examinations effectively. For better understanding of the topic students should revise NCERT book with all examples and then start solving the chapter-wise assignments. These assignments cover all the topics and are strictly according to the CBSE syllabus. With the help of these assignments students can easily achieve the examination level and can reach at the maximum height. Class 09 Mathematics Assignment Case Study Based Questions Class IX
Important Unit Conversion in Mathematics
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Unit conversion table in mathematics, important units and their conversion in mathematics.Changing between units of measurement,Roman numerals into Hindu arabic, prime numbers from 1 to 120
IMPORTANT UNITS CONVERSION
IN MATHEMATICS
10mm (millimeter)
|
1cm
|
|
10cm(centimeter)
|
1dm
|
|
10dm(Decimeter)
|
1m
|
|
10m (Meter)
|
1 Dam
|
|
10Dam (Decameter)
|
1 Hm
|
|
10 Hm (Hectometer)
|
1Km ( Kilometer)
|
|
1 Are (a)
|
100 m2
|
|
1 Hectare(Ha)
|
10000 m2
|
|
100 Ares
|
1 Hectare
|
|
100 Hectares
|
1 Km2
|
|
1 KM
|
1000 m
|
100000 cm
|
1 cm3
|
1 ml (millilitre) = 1/1000 Litres
|
1 dm3
|
1 l (litre)
|
1 m3
|
1 Kl (Kilolotre) = 1000 Litres
|
1 Score
|
20 Pieces
|
1 Ream
|
500 Pages Or 25 Score
|
1 Quire
|
24 Pieces
|
1 Pound
|
454 gm = About 0.5 Kg
|
1 Mile
|
1.6 Km
|
1 Inch
|
2.54 cm
|
12 Inch
|
1 Foot = 30 cm
|
36 Inches
|
1 Yard
|
3 Feet
|
1 Yard
|
1760 Yard
|
1 mile
|
1metre
|
39 Inches or 100 cm
|
a Km/h
|
(a x 5/18 ) m/s
|
a m/s
|
(a x 18/5) Km/h
|
1 Gallon
|
4.5 Litres
|
Formula for inter conversion of Celsius scale, Fahrenheit
Scale and Reaumur Scale
|
|
\[\frac{F-32}{9}=\frac{C}{4}=\frac{R}{4}\] |
60 Seconds
|
1Minute
|
60 Minutes
|
1 Hour
|
24 Hour
|
1 day
|
7 days
|
1 week
|
About 4 weeks
|
1 month
|
12 months
|
1 year
|
10 year
|
1 decade
|
100 years
|
1 century
|
1000 years
|
1 millennium
|
Acute Angle
|
Angle between 0o and 90o
|
Right Angle
|
Angle of 90o
|
Obtuse Angle
|
Angle Between 90o and 108o
|
Straight Angle
|
Angle of 180o
|
Reflex Angle
|
Angle between 180o and
360o
|
Complete angle
|
360o
|
Nano
|
10-9m
|
Micro
|
10-6 m
|
Milli
|
10-3
|
Centi
|
10-2 m
|
Deci
|
10-1 m
|
All conversion into Base units
Metre,
|
|
Deka(Da)
|
10 m
|
Hecto
|
100 m
|
Kilo
|
103 m
|
Mega
|
106 m
|
Giga
|
109 m
|
Tera
|
1012 m
|
Quantity |
Units |
Distance,
Displacement, Perimeter, Circumference |
mm, cm, dm,
m, da, |
Curved surface
Area, Total Surface Area |
mm2,
cm2, dm2, m2, are, hectare |
Volume, Capacity |
mm3,
cm3, dm3 or litre, m3 or Kilolitre |
Time |
Second,
minute, hour, day, month, year |
Money |
Paise,
Rupees |
ROMAN NUMERALS INTO HINDU ARABIC |
|||
Roman Numerals |
Hindu Arabic |
Roman Numerals |
Hindu Arabic |
I |
1 |
CL |
150 |
II |
2 |
CC |
200 |
III |
3 |
CCL |
250 |
IV |
4 |
CCC |
300 |
V |
5 |
CD |
400 |
VI |
6 |
D |
500 |
VII |
7 |
DL |
550 |
VIII |
8 |
DC |
600 |
IX |
9 |
DCC |
700 |
X |
10 |
DCCC |
800 |
XX |
20 |
CM |
900 |
XXX |
30 |
M |
1000 |
XL |
40 |
MC |
1100 |
L |
50 |
MD |
1500 |
LX |
60 |
MM |
2000 |
LXX |
70 |
MMM |
3000 |
LXXX |
80 |
|
|
XC |
90 |
|
|
C |
100 |
|
List of Prime Numbers From 1 to 120 |
|||
2 |
23 |
59 |
97 |
3 |
29 |
61 |
101 |
5 |
31 |
67 |
103 |
7 |
37 |
71 |
107 |
11 |
41 |
73 |
109 |
13 |
43 |
79 |
113 |
17 |
47 |
83 |
119 |
19 |
53 |
89 |
Note:-There are 10 prime numbers from 1 to 30
There are 25 prime numbers from 1 to 100
OLD INDIAN
SYSTEM OF NUMERATION FOR MONEY
|
|
4 दमड़ी
|
1 पैसा
|
4 पैसे
|
1 आना = 3
पाई
|
16 आने
|
1 रुपये
|
OLD INDIAN
SYSTEM OF NUMERATION FOR WEIGHT
|
|
8 रति
|
1 मासा
|
12 मासे
|
1 तोला
|
5 तोले
|
1 छटांक
|
40 सेर
|
1 मण
= 16 किलोग्राम
|
2.5 सेर
|
1 किलोग्राम
|
1 बटी
= 5 सेर
|
2 किलोग्राम
|
1 धडी
= 10 सेर
|
4 किलोग्राम
|
PRESENT SYSTEM OF NUMERATION FOR WEIGHT
|
|
1 Gram
|
1000 milligram
|
1 Decagram
|
10 Gram
|
1 Hectogram
|
100 Gram
|
1 Kilogram
|
1000 Gram
|
1 Quintal
|
100 Kg
|
1 Metric Ton
|
1000 Kg
|
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