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Mathematics Assignments & Worksheets For Class IX Chapterwise 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 chapterwise 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 m^{2}
^{}


1 Hectare(Ha)

10000 m^{2}
^{}


100 Ares

1 Hectare


100 Hectares

1 Km^{2}
^{}


1 KM

1000 m

100000 cm

1 cm^{3}

1 ml (millilitre) = 1/1000 Litres

1 dm^{3}

1 l (litre)

1 m^{3}

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


\[\frac{F32}{9}=\frac{C}{4}=\frac{R}{4}\] 
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 0^{o} and 90^{o}
^{}

Right Angle

Angle of 90^{o}
^{}

Obtuse Angle

Angle Between 90^{o} and 108^{o}
^{}

Straight Angle

Angle of 180^{o}
^{}

Reflex Angle

Angle between 180^{o} and
360^{o}
^{}

Complete angle

360^{o}
^{}

Nano

10^{9}m

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

10^{3 }m

Mega

10^{6 }m^{ }
^{}

Giga

10^{9 }m
^{}

Tera

10^{12 }m
^{}

Quantity 
Units 
Distance,
Displacement, Perimeter, Circumference 
mm, cm, dm,
m, da, 
Curved surface
Area, Total Surface Area 
mm^{2},
cm^{2}, dm^{2}, m^{2}, are, hectare 
Volume, Capacity 
mm^{3},
cm^{3}, dm^{3} or litre, m^{3} 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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