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Mathematics and Science unpack with Promaths SD
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Welcome to Promaths SD! I’m Mr NW Ndzimandze, and this is my personal math & science tutorial channel. Inspired by my experience at the Promaths programme, I create easy-to-follow lessons, tips, and guides to help high school students excel in mathematics and science. This channel is independently run and not officially affiliated with Promaths.

Solving Mathematics and Science related problems, on a mission to end mathematics and science phobia.

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19:14

How to Describe Translations Fully | Geometry Series Episode 1| EGCSE Mathematics

Mathematics and Science unpack with Promaths SD

Shared 6 days ago

26 views

1:31:51

ECESWA EGCSE Mathematics 2025 Paper 4 Extended (6880/04) | Full Solutions & Walkthrough

Mathematics and Science unpack with Promaths SD

Shared 1 month ago

261 views

1:02:21

EGCSE MATHEMATICS 6880 | OCT/NOV 2025 - PAPER 3 Extended - PART 2 (17 to 26) - Full Solutions

Mathematics and Science unpack with Promaths SD

Shared 2 months ago

143 views

8:37

EGCSE Circle Geometry - Practice problem | Line from center to midpoint of a chord.

Mathematics and Science unpack with Promaths SD

Shared 2 months ago

70 views

55:29

MATHEMATICS 6880 | OCT/NOV 2025 - PAPER 3 Extended - PART 1 (Question 1 to 16) - Full Solutions

Mathematics and Science unpack with Promaths SD

Shared 2 months ago

117 views

15:06

Trigonometric Equations| Solving trigonometric|Equations for theta between 0 and 360.

Mathematics and Science unpack with Promaths SD

Shared 3 months ago

33 views

28:29

Parallel and Perpendicular Lines | Gradients Explained | Coordinate Geometry (Episode 3)

Mathematics and Science unpack with Promaths SD

Shared 6 months ago

39 views

9:31

Circle Geometry - Episode 12 : Practice Question 1 EGCSE Specimen2021

Mathematics and Science unpack with Promaths SD

Shared 6 months ago

71 views

15:31

Coordinate Geometry - Episode 2: The Equation of Straightline

Mathematics and Science unpack with Promaths SD

Shared 7 months ago

21 views

14:00

Coordinate Geometry | Episode 1 - The Gradient of a straight line

Mathematics and Science unpack with Promaths SD

Shared 7 months ago

37 views

27:03

Circle Geometry | Episode 11 - Summary of all Ten Circle Geometry Theories

Mathematics and Science unpack with Promaths SD

Shared 8 months ago

114 views

23:22

Circle Geometry | Episode 10 - The Tan - chord Theorem (Angles in alternate segment)

Mathematics and Science unpack with Promaths SD

Shared 8 months ago

162 views

22:45

Circle Geometry | Episode 9 - Tangents from the Same External Point

Mathematics and Science unpack with Promaths SD

Shared 8 months ago

197 views

24:43

Circle Geometry | Episode 8 - Line from center to midpoint of a Chord

Mathematics and Science unpack with Promaths SD

Shared 9 months ago

75 views

23:47

Circle Geometry | Episode 7 - Tangent perpenducular to Radius

Mathematics and Science unpack with Promaths SD

Shared 9 months ago

56 views

25:01

Circle Geometry | Episode 6 - Exterior Angle of a Cyclic Quadrilateral

Mathematics and Science unpack with Promaths SD

Shared 10 months ago

33 views

26:05

Circle Geometry | Episode 5 - Opposite Angles of a cyclic quadrilateral

Mathematics and Science unpack with Promaths SD

Shared 10 months ago

43 views

26:35

Circle Geometry | Episode 4 - Angles in the same segment.

Mathematics and Science unpack with Promaths SD

Shared 10 months ago

39 views

19:45

Circle Geometry | Episode 3 — Angle in a Semicircle (90° Rule)

Mathematics and Science unpack with Promaths SD

Shared 10 months ago

42 views

21:25

Circle Geometry | Episode 2 - Angle at center 2x angle at circumference

Mathematics and Science unpack with Promaths SD

Shared 10 months ago

47 views

23:17

Circle Geometry | Part 1 - Circle basic Definitions

Mathematics and Science unpack with Promaths SD

Shared 10 months ago

73 views

11:59

Application of Trigonometry| Angle of Elevation and Depresion| Part 3 - Bonus Video

Mathematics and Science unpack with Promaths SD

Shared 10 months ago

17 views

29:09

Application of Trigonometry|Angle of Elevation and Depression|Part 2

Mathematics and Science unpack with Promaths SD

Shared 10 months ago

43 views

15:30

Application of Trigonometry|Angle of Elevation and Depression|Part 1

Mathematics and Science unpack with Promaths SD

Shared 11 months ago

167 views

29:34

Rationalizing the Denominator Explained | Full IGCSE Add Maths Trigonometry Question Solved (0606)

Mathematics and Science unpack with Promaths SD

Shared 11 months ago

26 views

5:17

Sequences and series| Recurring Decimals Application| Show that 9.999... = 10(Not approximately)!

Mathematics and Science unpack with Promaths SD

Shared 11 months ago

121 views

10:20

Sequences and Series| Converting - Recurring decimals to Fractions

Mathematics and Science unpack with Promaths SD

Shared 11 months ago

53 views

1:35:09

EGCSE Mathematics | Trigonometry Past Paper Questions Solved (Full Walkthrough)

Mathematics and Science unpack with Promaths SD

Shared 11 months ago

109 views

15:24

EGCSE Mathematics 2024|Trigonometry|Paper 4 - Question 4

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

77 views

13:40

Sine Rule vs Cosine Rule | How to Choose in 1 Second?| (IGCSE/EGCSE/GCE Maths)

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

278 views

1:33:19

EGCSE Mathematics|2024 Paper 3|Full Solutions

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

238 views

19:11

EGCSE Transformations | 2024 Final Exam Paper 4 Question 3 | Solution Explained

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

181 views

7:07

EGCSE Tree Diagram

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

21 views

8:41

EGCSE Completing the square 1

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

12 views

17:46

EGCSE Analytical Geometry Mock 2025 Paper 4 Question 11

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

29 views

11:29

EGCSE Tree Diagram 2025 Mock Paper 4 Question 12

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

25 views

14:55

EGCSE Circle Geometry Mock 2025 Paper 4 Q10

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

63 views

15:50

EGCSE Transformation 2025 Mock P4 Question 9

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

41 views

6:31

EGCSE Sets - Venn Diagram 4

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

137 views

8:56

Vectors 2 Part b

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

75 views

9:25

Vectors 2

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

312 views

9:24

Vectors 1

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

52 views

8:42

Sets - Tree Diagrams - 1

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

33 views

6:55

Sets - Venn Diagram 3

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

57 views

9:30

Sets - Venn Diagram 2

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

52 views

3:39

Sets - Venn Diagram 1 Continuation

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

62 views

10:00

Sets - Venn Diagram - 1

Mathematics and Science unpack with Promaths SD

Shared 1 year ago

397 views

14:36

Solving a system of ODEs in Octave

Mathematics and Science unpack with Promaths SD

Shared 4 years ago

69 views