Devindu Jayanath Senanayake - Invidious

Devindu Jayanath Senanayake

🔔 මෙම ‍YouTube චැනලය තුළ දෙවිඳු සර්ගේ ගණිත පාඩම් , කෙටි ක්‍රම , IQ පාඩම් මෙන්ම සර්ගේ එදිනෙදා ක්‍රියාකාරකම් , විනෝදාස්වාදය සඳහා සිදු කරන කෙටි වීඩියෝ ද ඇතුළත් වේ.

*ඔබට අවශ්‍ය වීඩියෝ එක පමණක් තෝරාගැනීමට බුද්ධිමත් වන්න.
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ගුරුවරයා ගැන බිඳක් :

👉Professional Lecturer for G.C.E. Ordinary Level Mathematics

👉Chairman of The Best MathSchool

👉Mathematics Teacher at Trinity College Kandy

........................................

සංස්කරණය :- මෙතුල් දම්විදු
කැමරාකරණය :- මෙතුජ ලෙව්ජිත්

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1:05:11

Grade 10 - 3rd Term Online MATH Day 02 (2026-08-01)

Devindu Jayanath Senanayake

Shared 2 months ago

66 views

1:00:30

Grade 8 - 3rd Term Online MATH Day 02 (2026-08-01)

Devindu Jayanath Senanayake

Shared 2 months ago

71 views

38:34

2026 O/L Revision 03 (Part-IV) 2026-07-31 Discussion-II

Devindu Jayanath Senanayake

Shared 2 months ago

23 views

1:02:01

Grade 7 - 3rd Term Online MATH Day 02 (2026-07-31)

Devindu Jayanath Senanayake

Shared 2 months ago

33 views

56:45

Grade 9 - 3rd Term Online MATH Day 02 (2026-07-30)

Devindu Jayanath Senanayake

Shared 2 months ago

44 views

39:06

Grade 6 - 3rd Term Online MATH Day 02 (2026-07-30)

Devindu Jayanath Senanayake

Shared 2 months ago

21 views

56:12

Grade 10 - 3rd Term Online MATH Day 01 (2026-07-29)

Devindu Jayanath Senanayake

Shared 3 months ago

28 views

48:22

Grade 8 - 3rd Term Online MATH Day 01 (2026-07-29)

Devindu Jayanath Senanayake

Shared 3 months ago

85 views

41:10

2026 O/L Revision 03 (Part-III) 2026-07-28 Discussion-I

Devindu Jayanath Senanayake

Shared 3 months ago

32 views

1:02:34

Grade 7 - 3rd Term Online MATH Day 01 (2026-07-28)

Devindu Jayanath Senanayake

Shared 3 months ago

45 views

50:07

Grade 9 - 3rd Term Online MATH Day 01 (2026-07-27)

Devindu Jayanath Senanayake

Shared 3 months ago

50 views

1:00:26

Grade 6 - 3rd Term Online MATH Day 01 (2026-07-27)

Devindu Jayanath Senanayake

Shared 3 months ago

18 views

1:16:47

2026 O/L Revision 03 (Part-II) 2026-07-26 After Interval

Devindu Jayanath Senanayake

Shared 3 months ago

36 views

2:08:26

2026 O/L Revision 03 (Part-I) 2026-07-26 Before Interval

Devindu Jayanath Senanayake

Shared 3 months ago

69 views

31:14

MATH Online Opening Orientation Programme for 3rd Term 2026

Devindu Jayanath Senanayake

Shared 3 months ago

121 views

1:20

Easy Trick to Divide by 5 | 5න් බෙදන්න ලේසි ක්‍රමයක් #thebestmathschool

Devindu Jayanath Senanayake

Shared 1 year ago

118 views

20:57

වියුති ඇතුළත් ලඝුගණක බෙදීම | Divinding Logarithms with Negative Characteristics #thebestmathschool

Devindu Jayanath Senanayake

Shared 1 year ago

212 views

28:22

2022/23 OL ත්‍රිකෝණමිතිය | TRIGONOMETRY Question

Devindu Jayanath Senanayake

Shared 1 year ago

70 views

1:40:11

Grade 10 | Lesson 1 (Part 2) කේන්ද්‍රික ඛණ්ඩයක පරිමිතිය (Perimeter of a Sector of a Circle)

Devindu Jayanath Senanayake

Shared 1 year ago

113 views

20:22

2022/23 OL මිනිතය (පරිමාව/ලඝු) |MEASUREMENTS Question

Devindu Jayanath Senanayake

Shared 1 year ago

27 views

9:01

2022/23 OL ශ්‍රේඪි | PROGRESSIONS Question

Devindu Jayanath Senanayake

Shared 1 year ago

36 views

22:05

2022/23 OL වර්ගජ සමීකරණ | QUADRATIC EQUATIONS Question

Devindu Jayanath Senanayake

Shared 1 year ago

32 views

22:47

2022/23 OL සමගාමී සමීකරණ | SIMULTANEOUS EQUATIONS Question

Devindu Jayanath Senanayake

Shared 1 year ago

75 views

15:21

2022/23 OL PERCENTAGES Question | Compound Interest & Share Market වැල් පොළිය සහ කොටස් වෙළඳපොළ

Devindu Jayanath Senanayake

Shared 1 year ago

174 views

1:01

උපකාරක පන්ති නවතා ටියුෂන් ගුරුවරුන් සියල්ලම අද අනුර කුමාර වෙනුවෙන් තලවතුගොඩට

Devindu Jayanath Senanayake

Shared 2 years ago

115 views

4:18

Trinity College Teachers’ Day Celebrations - 2022

Devindu Jayanath Senanayake

Shared 4 years ago

628 views

0:59

IQ Question for the Children's Day - 2022

Devindu Jayanath Senanayake

Shared 4 years ago

315 views

2:22

Trinity College Staff Race (4x100M) - Sportsmeet 2022

Devindu Jayanath Senanayake

Shared 4 years ago

571 views

1:15:24

Grade 11 - Simplifying Expressions with Surds (Irrational Numbers) | English Medium Mathematics

Devindu Jayanath Senanayake

Shared 4 years ago

211 views

37:39

Grade 10 - Factorising (Difference of two squares) | English Medium Mathematics

Devindu Jayanath Senanayake

Shared 4 years ago

124 views

46:40

Grade 10 | Lesson No.29(ii) | පෘෂ්ඨ වර්ගඵලය හා පරිමාව (Surface Area & Volume) 》The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

1.4K views

1:35:59

Grade 8 | Lesson No.28 | පරිමාණ රූප Full Lesson | Scale Diagrams

Devindu Jayanath Senanayake

Shared 4 years ago

744 views

1:24:41

Grade 7 | Lesson No.27 Full | පරිමාණ රූප Full Lesson (Scale Diagrams) | The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

3.1K views

1:21:06

Grade 9 | Lesson No.26 Full Lesson | වීජීය භාග (Algebraic Fractions) 》 The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

443 views

53:31

Grade 6 | Lesson No.24 Full Lesson | දර්ශක (Indices) | The Best MathSchool Devindu Senanayake

Devindu Jayanath Senanayake

Shared 4 years ago

209 views

1:27:29

Grade 10 | Lesson No.29(i) | පෘෂ්ඨ වර්ගඵලය හා පරිමාව (Surface Area & Volume) 》The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

5.4K views

1:16:50

Grade 11 | Revision Day - 03 | සංඛ්‍යානය (Frequency Distribution) | O/L Maths | The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

242 views

3:01

ගෑස් කාන්දුවීමකදී කළයුතු දේ | What you should do when you see a Gas Leak

Devindu Jayanath Senanayake

Shared 4 years ago

261 views

1:05:49

Grade 9 | Lesson No.25 Full | බහු අස්‍රවල කෝණ | Angles of a Polygon 》 The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

448 views

1:08:25

Grade 8 | Lesson No.27 Part-2 | දත්ත අර්ථකථනය (මාතය, මධ්‍යස්තය, මධ්‍යන්‍යය) | Mode, Median, Mean

Devindu Jayanath Senanayake

Shared 4 years ago

609 views

1:39:29

Grade 7 | Lesson No.26 Full | දත්ත නිරූපණය (Data Representation Intepretation) | The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

74 views

40:55

Grade 6 | Lesson No.23 Full Lesson | දත්ත අර්ථකථනය (Data Interpretation) | The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

95 views

2:00:30

2021 O/L Revision Day - 02 | සම්භාවිතාව (Probability) Lesson No.25 Full | The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

283 views

1:21:04

Grade 9 | Lesson No.24 Full | සම්භාවිතාව | Probability 》 The Best MathSchool 》 Devindu Senanayake

Devindu Jayanath Senanayake

Shared 4 years ago

181 views

53:17

Grade 8 | Lesson No.27 Part-1 | වෘන්ත පත්‍ර සටහන | Stem & Leaf Diagram 》 දත්ත නිරූපණය 1 කොටස

Devindu Jayanath Senanayake

Shared 4 years ago

351 views

59:34

Grade 7 | Lesson No.25 Full Lesson | ඝන වස්තු | Solids 》 The Best MathSchool by Devindu Senanayake

Devindu Jayanath Senanayake

Shared 4 years ago

144 views

1:02:12

Grade 6 | Lesson No.22 Full Lesson | දත්ත රැස් කිරීම හා නිරූපණය | The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

297 views

0:51

නව වරක් චක්කරේ තත්පර 2න් | Multiples of 9 in 2 seconds

Devindu Jayanath Senanayake

Shared 4 years ago

1.2K views

41:09

O/L නව විෂය නිර්දේශයේ ඉවත් කර ඇති කොටස් සියල්ල 2020/2021 Changes of the New Syllabus due to COVID-19

Devindu Jayanath Senanayake

Shared 4 years ago

726 views

10:19

Find the Cube of Any Number within seconds | IQ Easy Math Tricks | For All Competitive Exams

Devindu Jayanath Senanayake

Shared 4 years ago

2.1K views

1:27:40

Grade 6 | Lesson No.21 Full Lesson | අනුපාත | Ratio | The Best MathSchool by Devindu Senanayake

Devindu Jayanath Senanayake

Shared 4 years ago

113 views

4:03:41

2021 O/L Revision Day - 01 | කුලක (Sets) Lesson No.24 Full Lesson | The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

392 views

58:34

Grade 7 | Lesson No.24 Full Lesson | සරල රේඛීය තල රූප නිර්මාණය | Constructions》 The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

87 views

1:58:55

Grade 9 | Lesson No.23 Full Lesson | වර්ගඵලය | Area 》 The Best MathSchool 》 Devindu Senanayake

Devindu Jayanath Senanayake

Shared 4 years ago

336 views

2:04:47

Grade 8 | Lesson No.26 | ත්‍රිකෝණ නිර්මාණය | Constructing Triangles 》 The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

114 views

29:29

Grade 11 | Lesson No.22 | ඒකාන්තර වෘත්ත ඛණ්ඩයේ කෝණ (ස්පර්ශක Part-2) | The Best MathSchool

Devindu Jayanath Senanayake

Shared 4 years ago

481 views

1:45:36

Grade 10 | Lesson No.27 | වෘත්තයක ජ්‍යා (Chords of a Circle) 》The Best MathSchool Devindu Senanayake

Devindu Jayanath Senanayake

Shared 4 years ago

155 views

1:22:19

Grade 6 | Lesson No.20 Full Lesson | ස්කන්ධය | Mass | The Best MathSchool by Devindu Senanayake

Devindu Jayanath Senanayake

Shared 4 years ago

54 views

2:08:15

Grade 11 | Lesson No.22 Full Lesson | ස්පර්ශක | Sparshaka | The Best MathSchool

Devindu Jayanath Senanayake

Shared 5 years ago

406 views

53:54

Grade 7 | Lesson No.23 Full Lesson | කාටීසීය තලය | Cartesian Plane 》 The Best MathSchool

Devindu Jayanath Senanayake

Shared 5 years ago

120 views