Teens! Learn from Thomas Edison’s Efficient Scheduling Method

We all have at most twenty four hours in a day. And most often, we complain about the time not being enough. Indeed, time is never enough; for several reasons. But if you learn how to effectively manage the little time you have on your hands, you might as well be able to […]

Top New Year Resolutions every Secondary School Student must imbibe

As we all know, 2017 began barely two weeks ago. So we are still very much gripped by the New Year euphoria. And the good thing about every New Year is that it is a good time to reflect on the choices we’ve made in the past, make corrections to them and then […]

Here are the Numeral Symbols and Roman Numerals

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

 

 

Typical Grammatical Mistakes every Teen needs to stop making

If you are fond of saying the same thing repeatedly by merely using different words, then you are guilty of a grammatical error called Tautology. Some people, in their efforts to emphasize their points, convey something important or even add literary beauty  to a text tend to commit this error. Mind you, tautological […]

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 […]

Teens! What do you Know about Sexual Abuse?

Let us get one thing straight; shall we?

Now when a teenager says he or she was sexually abused, this doesn’t necessarily mean he or she was raped. There are different forms of sexual abuse. Just imagine that a mentor or an elderly person who is supposed to look after you turns […]

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 […]

Science Students! Here are the Basic Safety Measures to Observe While in the Labouratory

Let me begin this article by telling a rather funny but instructive story. Enjoy and learn please…

First year Medical Students of Kenyatta University were attending their first Anatomy Class. As they all gathered around the Anatomy Table beholding the real dead body before them,
their lecturer, Professor Mwangi started the class by […]

How Can Teachers Inculcate Healthy-living Habits in Teens?

Let’s face the fact; an unhealthy person can hardly do anything meaningful in life. And considering that teenagers are not immune to ill health, it suffices to say that diseases of various kinds can seriously affect their academic productivity. Now there are two broad types of diseases- the communicable and non-communicable diseases- and […]

By |January 5th, 2017|Categories: Cool Tips, e-mentor, Education, entertainment, health|0 Comments

Teens! Get to Know the 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 than or […]

By |January 5th, 2017|Categories: Cool Tips, e-mentor, Education|0 Comments
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