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## What really are the benefits of studying Mathematics?

There is so much emphasis on the need for students to study Mathematics and master it. But rarely are they told the benefits studying the subjects will accord them. This explains why most students show little interest in the subject and even when they do show interest, do so just because they […]

## FIRST FORMULA

Basic Math Symbols

Symbol
Symbol Name
Meaning / definition
Example

=
equals sign
equality
5 = 2+3
5 is equal to 2+3

not equal sign
inequality
5 ≠ 4
5 is not equal to 4

approximately equal
approximation
sin(0.01) ≈ 0.01,
x ≈ y means x is approximately equal to y

>
strict inequality
greater than
5 > 4
5 is greater than 4

<
strict inequality
less than
4 < 5
4 is less than 5

inequality
greater than or equal to
5 ≥ 4,
x ≥ y means x is greater than or equal to y

inequality
less […]

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Numeral Symbols

Name
European
Roman
Hindu Arabic
Hebrew

zero
0

٠

one
1
I
١
א

two
2
II
٢
ב

three
3
III
٣
ג

four
4
IV
٤
ד

five
5
V
٥
ה

six
6
VI
٦
ו

seven
7
VII
٧
ז

eight
8
VIII
٨
ח

nine
9
IX
٩
ט

ten
10
X
١٠
י

eleven
11
XI
١١
יא

twelve
12
XII
١٢
יב

thirteen
13
XIII
١٣
יג

fourteen
14
XIV
١٤
יד

fifteen
15
XV
١٥
טו

sixteen
16
XVI
١٦
טז

seventeen
17
XVII
١٧
יז

eighteen
18
XVIII
١٨
יח

nineteen
19
XIX
١٩
יט

twenty
20
XX
٢٠
כ

thirty
30
XXX
٣٠
ל

forty
40
XL
٤٠
מ

fifty
50
L
٥٠
נ

sixty
60
LX
٦٠
ס

seventy
70
LXX
٧٠
ע

eighty
80
LXXX
٨٠
פ

ninety
90
XC
٩٠
צ

one hundred
100
C
١٠٠
ק

Roman Numerals

Number
Roman numeral

0
not defined

1
I

2
II

3
III

4
IV

5
V

6
VI

7
VII

8
VIII

9
IX

10
X

11
XI

12
XII

13
XIII

14
XIV

15
XV

16
XVI

17
XVII

18
XVIII

19
XIX

20
XX

30
XXX

40
XL

50
L

60
LX

70
LXX

80
LXXX

90
XC

100
C

200
CC

300
CCC

400
CD

500
D

600
DC

700
DCC

800
DCCC

900
CM

1000
M

5000
V

10000
X

50000
L

100000
C

500000
D

1000000
M

## Have you Learnt the Algebraic Symbols?

Symbol
Symbol Name
Meaning / definition
Example

x
x variable
unknown value to find
when 2x = 4, then x = 2

equivalence
identical to

equal by definition
equal by definition

:=
equal by definition
equal by definition

~
approximately equal
weak approximation
11 ~ 10

approximately equal
approximation
sin(0.01) ≈ 0.01

proportional to
proportional to
y ∝ x when y = kx, k constant

lemniscate
infinity symbol

much less than
much less than
1 ≪ 1000000

much greater than
much greater than
1000000 ≫ 1

( )
parentheses
calculate expression inside first
2 * (3+5) = 16

brackets
calculate expression inside […]

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## Important Geometry Symbols for Math Students

Symbol
Symbol Name
Meaning / definition
Example

angle
formed by two rays
∠ABC = 30°

measured angle

ABC = 30°

spherical angle

AOB = 30°

right angle
= 90°
α = 90°

°
degree
1 turn = 360°
α = 60°

deg
degree
1 turn = 360deg
α = 60deg

prime
arcminute, 1° = 60′
α = 60°59′

double prime
arcsecond, 1′ = 60″
α = 60°59′59″

line
infinite line

AB
line segment
line from point A to point B

ray
line that start from point A

arc
arc from point […]

## Mathematics {JSS1}: Use of Symbols – Letters for Numbers

JSS 1 Mathematics First Term Week 5

Topic: USE OF SYMBOLS 1: LETTERS FOR NUMBERS

Open sentences

14 + □ = 17. What number in the box will make this true? You may have seen problems like this before. 14 + □ = 17 will be true if 3 goes […]

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## 5 Benefits Of Having Good Grades That You Should Definitely Know About

What are the benefits of getting good grades? Would you say the benefits are just limited to being able to get into a good higher institution, and get a good job afterward? Or are there more than has been listed?

Consider these five benefits of getting good grades, even as you are […]

## Brain Teaser: This Answer Wants You To Find It!

Find the area of the shaded portion. The answer is just waiting for you to find it!

## Classwork Series {Mathematics – SS1}: Indices

SSS 1 FIRST TERM MATHEMATICS WEEK 6

Topic: INDICES

We define the notation 22 as “two squared” or the square of two” or “two raised to the power of 2” and it means 2 x 2.

i.e. 22 = 2 x 2 (i.e. 2 multiplied by itself in 2 places […]

## Classwork Series and Exercises {Mathematics – SS3}: Spherical Geometry

SSS 3 FIRST TERM MATHEMATICS WEEKS 5-7

Topic: SPHERICAL GEOMETRY

Concept and Location of Longitude and Latitude

Starting the earth as a sphere topic by explaining the concept of longitude and latitude

Lines of latitude run East & West or horizontal but measure distance North & South of the […]