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#Pyramids and #cones are known as tampered solids. They have a flat base and come to a point called an apex. Tapered solids do not have a uniform cross-section. For example the perpendicular cross-section of a cone is always a circle, but its radius decreases as we move up the cone. Since the #volume of a solid with uniform cross-section is V = area of base x height. Then the volume of a tapered solid is V = 1/3 x area of base x height. Share this video with a friend: https://youtu.be/kXHwltlH3PE Thanks for Watching! Like, Comment & Share! SUBSCRIBE to our channel for the latest videos: https://goo.gl/WX7QAn 🎵 Track Info: Title: Boost by Joakim Karud Genre and Mood: Hip Hop & Rap + Bright Boost by Joakim Karud http://soundcloud.com/joakimkarud Music promoted by Audio Library https://youtu.be/6z227WiJeJM GET TO KNOW ME: If you found this video helpful, we'd really appreciate a share, thumbs-up or a comment. And don’t forget to subscribe over at https://goo.gl/WX7QAn to receive all our weekly updates! Business Inquiries contact us at beardsquared.bs@gmail.com
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S5-Ch17.1 class practice (p4-p5)
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S5-Ch17.1 Class Practice (p3-p4)
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S5-Ch17.1 example 3 (p3)
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S5-Ch17.1 example 2 (p2)
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S5-Ch17.1 Linear Programming (p1)
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S4-Ch5.1 example 3-example 6 (p3-p4)
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S4-Ch5.1 example 1-example 2 (p2)
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S4-Ch5.1 Indices (p1)
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S.3 Maths Ch.9.2 Angles of Elevation & Depression + HW(B9)
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S.3 Maths Ch.9.2 Angles of elevation and depression + HW(B9)
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S1 Ch13.2 “Book” P.13.13 Practice 13.3
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S1 Ch13.2 “Book” P.13.12 Practice 13.2
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S1 Ch13.2 “Book” P.13.10 Practice 13.1
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S.3 Maths Ch.9.1 Gradient and Inclination + HW(A11)
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S1 Ch8 Online Test Q13 & Q14
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S1 Ch8 Online Test Q7 & Q9
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S1 Ch8.6 “Book” P.8.52 Practice 8.36
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S1 Ch8.6 “Book” P.8.52 Practice 8.35
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S1 Ch8.6 “Book” P.8.52 Practice 8.35
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Chap_14_HKDSE_WS_explanation


S1 Ch8.6 “Book” P.8.51 Practice 8.34
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S1 Ch8.6 “Book” P.8.51 Practice 8.33
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[3] - Interest 利息
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S1 Ch8.5 P.8.44 Class Exercise 8.5 Q3-4
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S1 Ch8.5 P.8.44 Class Exercise 8.5 Q1-2
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16.3B Problems Leading to Quadratic Inequalities in One Unknown_360 Examples


16.3B Problems Leading to Quadratic Inequalities in One Unknown_Book Examples


S4-Ch7.4 Worksheet (p6-p7)
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S4-Ch7.4 Worksheet (p4-p5)
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S4-Ch7.4 Worksheet Q1-Q5 (p1-p3)
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S4-Ch7.5 example 4 (p6)
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S4-Ch7.5 example 3 (p5)
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S1 Ch8.5 “Book” P.8.43 Practice 8.31
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S1 Ch8.5 “Book” P.8.43 Practice 8.30
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16.3A Solving Quadratic Inequalities in One Unknown by Algebraic Method


S1 Ch8.5 “Book” P.8.41 Practice 8.29
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S1 Ch8.5 “Book” P.8.41 Practice 8.28
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S1 Ch8.5 “Book” P.8.40 Practice 8.27
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S4-Ch7.5 example 2 (p4)
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S4-Ch7.5 Angles and Line in 3D (p1-p2)
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S4-Ch7.5 example 1 (p3)
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S1 Ch8.4 P.8.35 Class Exercise 8.4 Q3-4
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S1 Ch8.4 P.8.35 Class Exercise 8.4 Q1-2
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s1 Ch8.3 堂課(3) V2 Hints Q23


S1 Ch8.6 Simple interest 單利息 practice 8.33
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S1 Ch8.5 Profit Practices 8.29


S1 Ch8.3 V3 堂課 Hints Q25


S1 Ch8.6 Simple interest 單利息 Hints for Class exercise 8.6 and Ex.8.6 Q1


S1 Ch8.1 Ex 8.1 Q25 Hints


S1 Ch8.6 Simple interest 單利息 Hints for Class exercise 8.6 and Ex.8.6 Q1


S1 Ch8.6 Simple interest 單利息 Example 8.36 and practice 8.36


S1 Ch8.6 Simple interest 單利息 practice 8.35


S1 Ch8.6 Simple interest 單利息 practice 8.34


S1 Ch8.6 Simple interest 單利息 筆記和 practice 8.32


S1 Ch8.5 Selling Price 售價,discount % 折扣%, Cost 成本, Ex8.5 Q20 Hints


S1 Ch8.5 Loss 虧蝕 Ex8.5 Q8


S1 Ch8.5 Cost 成本, Discount 折扣,Selling price售價, Marked Price 標價 Class Ex. Q4


S1 Ch8.5 Loss 虧蝕 Class Ex. Q3


S1 Ch8.5 Loss 虧蝕 Practice 8.31


S1 Ch8.5 Loss 虧蝕 Practice 8.30 及筆記


S1 Ch8.5 Profit Ex8.5 Q1


S1 Ch8.5 Profit Ex8.5 Q1


S1 Ch8.5 Profit Class Ex. Q2


S1 Ch8.5 Profit Class Ex. Q1


S1 Ch8.5 Profit Practice 8.27,8.28


S1 Ch8.4 Discount 堂課(4)筆記及Hints for Q23


S1 Ch8.2 堂課改正PART 2: Practices 11,12,13,14 & Class Exercise 8.2B


S1 Ch8.2 堂課改正PART 1: Practices 7,8,9,10 & Class Exercise 8.2A


S1 Ch8.3 V4 堂課 Hints Q27


s1 Ch8.3 堂課(3) V1 Hints Q22


S1 Ch8.1 Ex 8.1 Q23 Hints


S.3 Maths Ch8.4 Intercept Theorem (Part II) + HW(B8)
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S.3 Maths Ch. 8.4 Mid-point Theorem (Part I) + Lesson Work sheet
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S1 Ch8.4 “Book” P.8.34 Practice 8.26
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S1 Ch8.4 “Book” P.8.34 Practice 8.25
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S1 Ch8.4 “Book” P.8.33 Practice 8.24
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S1 Ch8.4 “Book” P.8.32 Practice 8.23
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S1 Ch8.4 Discount and Ex8.4 Q1
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16.2 Solving Quadratic Inequalities in One Unknown by the Algebraic Method


S1 Ch8.3 “Book” P.8.26 Practice 8.22
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S4-Ch7.4 example 5-example 6 (p4)
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S4-Ch7.4 True bearing & Compass bearing (p3)
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S4-Ch7.4 Angle of elevation & depression (p1-p2)
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Chap 14 HWA & HWB discussion


16.1C Compound Linear Inequalities in One Unknown connected by OR


S1 Ch8.3 “Book” P.8.24 Practice 8.20
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S1 Ch8.3 “Book” P.8.23 Practice 8.19
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S4-Ch16.1.2 Class Practice (p4)
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S4-Ch16.1.2 Class Practice (p4)
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S5-Ch16.1.2 Class Practice (p2-p3)
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S5-Ch16.1.2 Compound Inequalities involving ‘OR’ (p1)
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S1 Ch8.3 “Book” P.8.22 Practice 8.18
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S1 Ch8.3 “Book” P.8.21 Practice 8.17
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S1 Ch8.3 “Book” P.8.19 Practice 8.16
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S1 Ch8.3 “Book” P.8.19 Practice 8.15
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S1 Ch8.3 “Book” P.8.18 Class activity 8.3
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16.1AB Revision & Compound Linear Inequalities in One Unknown connected by AND


S1 Ch8.2 “Book” P.8.14 Class Exercise 8.2B
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S1 Ch8.2 “Book” P.8.14 Practice 8.14
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S1 Ch8.2 “Book” P.8.13 Practice 8.13
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S5-Ch16.1 Class Practice (p3-p4)
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S5-Ch16.1 Class Practice (p2)
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S5-Ch16.1 Compound Inequalities involving ‘AND’ (p1)
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S5-Ch16.0 Class Practice (p3-p4)
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S5-Ch16.0 Concept of Inequalities (p1-p2)
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S1 Ch8.2 “Book” P.8.13 Practice 8.12
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S1 Ch8.2 “Book” P.8.12 Practice 8.11
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S1 Ch8.2 “Book” P.8.11 Practice 8.10
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S.3 Maths Ch.8.2 Rhombus, Rectangle and square + CW 2
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S4-Ch7.3 example 8-example 10 (p4)
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S4-Ch7.3 example 5-example 7 (p3)
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S4-Ch7.3 example 2-example 4 (p2)
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S4-Ch7.3 Cosine Formula (p1)
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S5-Ch14.2 example 9 - example 10 (p5)
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360 Example and Practice D14.5 - D14.6


14.2 Algebraic description of a locus


S1 Ch8.2 “Book” P.8.11 Class exercise 8.2A
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S1 Ch8.2 “Book” P.8.10 Practice 8.9
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S1 Ch8.2 “Book” P.8.10 Practice 8.8
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S1 Ch8.2 “Book” P.8.9 Practice 8.7
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360 P.14.7 Checkyourself Textbook EX14.1


S4-Ch7.2 example 7-example 9 (p4)
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S4-Ch7.2 Example 5 - Example 6 (p3)
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S4-Ch7.2 Sine Formula (p1-p2)
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S1 Ch8.1 “Book” P.8.7 Class Exercise 8.1B
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S1 Ch8.1 “Book” P.8.6 Practice 8.5 - 8.6
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360 practice Example 14.1-14.3 Book P.10 Class Exercises


14.1 Locus and its Geometric Description


S5-Ch14.2 Example 7 - Example 8 (p4)
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S5-Ch14.2 Example 5 - Example 6 (p3)
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S1 Ch8.1 “Book” P.8.6 Class Exercise 8.1A
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[1] - Introduction to Percentages 百分比簡介
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IDENTITY網站: http://project-identity.hk 影片內容: 00:05 - what is percentage 甚麼是百分比 00:49 - arithmetic operations of percentage 百分比的四則運算 03:01 - finding part / whole using percentage 用百分比計算「部分」和「整體」 04:27 - illustrative example 1 例子1 04:59 - illustrative example 2 例子2 05:45 - illustrative example 3 例子3 所屬主題: [初中數學] - Percentages 百分比


S1 Ch8.1 “Book” P.8.5 Practice 8.3,8.4
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S1 Ch8.1 “Book” P.8.4 Practice 8.1,8.2
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[INTRO] - Why Percentages? 為何需要百分比?
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S.3 Maths Ch.8.1 Parallelograms (part 1)
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S-5 Ch-15-5 Intersection of a st line and a circle + HW(B6)
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15.5 360 15B.33 Check Yourself discussion


15.5 360 15B.33 Check Yourself discussion
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S4-Ch7.1 Heron’s Formula (p3-p4)
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S4-Ch7.1 Area of aTriangle (p1-p2)
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s4_ict_SQL_EX_solution_discussion


S5-Ch14.2 example 3 - example 4 (p2)
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S5-Ch14.2 example1-example2 (p1)
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S5-Ch14.1-Locus (p1-p2)
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15.5C Equations of Tangents to a Circle


S4-Ch6.4 Worksheet (p1-p4)
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S4-Ch6.1 Worksheet (p1-p2)
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S3 Ch7.4 Rates 差餉 and Salaries Tax 薪俸稅 V1


15.5B Coordinates of points of intersection of a st line and a circle


15.5A No. of points of intersection of a st line and a circle


S1 Ch7.4 “Book” P.7.35 Practice 7.20
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360 practice EX15B.1 (6,8,10,12, 23, 24) explain


S1 Ch7.4 “Book” P.7.34 Practice 7.18
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S1 Ch7.4 “Book” P.7.34 Practice 7.19
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S5 Ch15B.1 360 V1 Equation is Circle: Standard Form


15.4B.5 Finding centre and radius from general form


360 practice EX15B.1 (14, 15, 18, 21) explain


S4-Ch6.5 example 5 - example 6 (p3)
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S4-Ch6.5 example 3 - example 4 (p2)
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S4-Ch6.5 Trigonometric identities (p1)
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S3 Ch7.3 Compound interest 堂課V3


S3 Ch7.3 Compound Interest 堂課V1


S3 Ch7.3 Compound Interest 堂課V2


S1 Ch7.3 堂課(6) Addition and subtraction of polynomials V5


S1 Ch 7.4 “Book” P.7.33 Practice 7.17
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S5 15A.3 360 堂課 Intersection points between two straight lines V3


S5 15A.3 360 堂課 Intersection points between two straight lines V1


S5 15A.3 360 堂課 Intersection points between two straight lines V2


S5-Ch15.5 example 6 - example 7 (p4)
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S5-Ch15.5 example 4 -example 5 (p3)
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[4] - Multiplication of Polynomials 多項式乘法運算
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IDENTITY網站: http://project-identity.hk 影片內容: 00:20 - distributive law of multiplication 乘法分配性質 02:05 - multiplication of polynomials 多項式的乘法 04:50 - illustrative example 1 例子1 06:25 - illustrative example 2 例子2 所屬主題: [初中數學] - Introduction to Polynomials 多項式簡介


S5-Ch15.5 example 2 - example 3 (p2)
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S5-Ch15.5 Intersection of a straight line and a Circle (p1-p2)
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S4-Ch6.4B example 5 - example 6 (p4)
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S4-Ch6.4 example 3-example 4 (p3-p4)
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15.4B.4 Finding General Form of a Circle with given 3 points


15.4B.3 Finding General Form of a Circle with origin as one given point


15.4B.2 Finding General Form of a circle from known radius or diameter


15.4B.1 General Form of Equation of Circle (Intro and Conversion)


S5-Ch15.4 example5 - example6 (p4)
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S5-Ch15.4 example2 - example4 (p3)
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S5-Ch15.4 example 1 (p2)
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S5-Ch15.4 General Form of Equations of Circle (p2)
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S5-Ch15.4 Equations of Circles-2 (p1)
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S5-Ch15.4 Equations of Circles -1 (p1)
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S1 Ch7.3 “Book” P.7.28 Practice 7.12 & 7.14
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S3 Ch7.1 教學影片 V9 堂課(3) Class Ex.7.3


S3 Ch7.1 教學影片 V8 堂課(3) Practise 7.9


S3 Ch7.1 教學影片 V7堂課(3) Practise 7.8


S3 Ch7.1 教學影片 V6 堂課(3) Practise 7.7


S3 Ch7.1 Percentage change 沒有實際🌟原值🌟和🌟新值🌟的情況 教學影片 V5


S3 Ch7.1 Successive % change 教學影片V4


S3 Ch7.1 教學影片V3


S3 Ch7.1 教學影片V2


S3 Ch7.1 教學影片V1


檢查已繳交功課記錄5AMath


檢查上學期Daily Marks 記錄5AMath


檢查已繳交功課記錄3CMath


S3 Ch7.2 Growth 增長 and Decay 折舊 堂課(4)Practice 15


S3 Ch7.2 Growth 增長 and Decay 折舊 堂課(4)Practice 14


S3 Ch7.2 Growth 增長 and Decay 折舊 堂課(4)Practice 13


S3 Ch7.2 Growth 增長 and Decay 折舊 堂課(4)Practice 12


S3 Ch7.2 Growth 增長 and Decay 折舊 堂課(4)Practice 11


S3 Ch7.2 Growth 增長 and Decay 折舊 堂課(4)Practice 10


15.4A Standard Form of Equation of Circle


S4- Ch6.4.3 (p1)
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S4-Ch6.4 example 2 (p3)
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S4-Ch6.4 example 2 (p2)
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S4-Ch6.4 Trigonometric Ratio (p1)
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[INTRO] - Polynomials in Daily Life 日常生活中的多項式
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[4] - Multiplication of Polynomials 多項式乘法運算
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S1 Ch7.2 “Book” P.7.23 Class Exercise 7.2
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S1 Ch7.2 “Book” P.7.22 Practice 7.11
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S1 Ch7.2 “Book” P.7.22 Practice 7.10
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S1 Ch.7.2 教學影片 V1 有關 Monomials 及 Polynomial 的定義 和 重要生字


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Ch.7.1 Law of indices 指數定律⋯⋯教學影片V6 堂課(3) Part 1


S1 Ch7.1 教學影片V5 堂課 (2) Part 2


S1 Ch7.1 Laws of indices 教學影片V3


S1 Ch7.1 Laws of indices 教學影片V2


S1 Ch7 Law of Indices 指數定律 V1


S1 Ch7.2 “Book” P.7.21 Practice 7.9
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S1 Ch7.2 “Book” P.7.20 Practice 7.8
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S5-Ch15.3 example 2 (p2-p4)
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[4] - Multiplication of Polynomials 多項式乘法運算
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IDENTITY網站: http://project-identity.hk 影片內容: 00:20 - distributive law of multiplication 乘法分配性質 02:05 - multiplication of polynomials 多項式的乘法 04:50 - illustrative example 1 例子1 06:25 - illustrative example 2 例子2 所屬主題: [初中數學] - Introduction to Polynomials 多項式簡介
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IDENTITY網站: http://project-identity.hk 影片內容: 00:16 - like terms and unlike terms 同類項及異頪項 03:09 - arrangement of terms 項的排列 05:02 - values of polynomials by substitution 多項式的值(代入法) 所屬主題: [初中數學] - Introduction to Polynomials 多項式簡介
[1] - Basic Concepts of Monomials and Polynomials 單項式及多項式概念
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IDENTITY網站: http://project-identity.hk 影片內容: 00:22 - definition of monomials 單項式定義 02:44 - coefficient, constant and degree 係數、常數及次數 04:56 - definition of polynomials 多項式定義 06:46 - degree of polynomial 多項式的次數 所屬主題: [初中數學] - Introduction to Polynomials 多項式簡介
[2] - Arrangement and Value of Polynomials 多項式的排列及數值
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IDENTITY網站: http://project-identity.hk 影片內容: 00:16 - like terms and unlike terms 同類項及異頪項 03:09 - arrangement of terms 項的排列 05:02 - values of polynomials by substitution 多項式的值(代入法) 所屬主題: [初中數學] - Introduction to Polynomials 多項式簡介


S5-Ch15.3 Number of points of Intersection (p1-p2)
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S1 Ch7.2 “Book” P.7.19 Quick check 7.2B
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S1 Ch7.2 “Book” P.7.17 Quick check 7.2A
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S5-10b
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S5-10a
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S4-Ch6.3 Q8-Q11 (p4)
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S4-Ch6.3 Q4-Q7(p3)
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S4-Ch6.3 Max. and Min. Values (p2)
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S4-Ch6.3 Graphs of Trigonometric Function (p1)
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S1 Ch7.1 “Book” P.7.16 Ex7.1 (Q36,38,39)
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360 pratice 15A.3 Qick Check and Example D15A.11 &12


15.3 Intersection of two Straight Lines


S5-Ch15.2 Equations of Special straight lines (p4)
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S5-Ch15.2 Example 6-7 (p3)
Free


S5-Ch15.2 Example 3-4 (p2)
Free


S5-Ch15.2 General Form of equations (p1)
Free


S1 Ch7.1 “Book” p.7.14 Practice 7.7
Free


S1 Ch7.1 “Book” p.7.13 Example 7.7
Free


360 pratice 15A.2 General Form Example D15.7 to D15.10
[1] - Basic Concepts of Monomials and Polynomials 單項式及多項式概念
221 0 03-Math Free
![[1] - Basic Concepts of Monomials and Polynomials 單項式及多項式概念](https://video.ttc.edu.hk/videos/_YPTuniqid_5e4907f8b9cc22.79709398.jpg?1582944586)
IDENTITY網站: http://project-identity.hk 影片內容: 00:22 - definition of monomials 單項式定義 02:44 - coefficient, constant and degree 係數、常數及次數 04:56 - definition of polynomials 多項式定義 06:46 - degree of polynomial 多項式的次數 所屬主題: [初中數學] - Introduction to Polynomials 多項式簡介


Chap 15.2 General Form of Equaitons of Straight Lines


S4-Ch6.2 Example 6-9 (p4)
Free


S4-Ch6.2 Example 3-5 (p3)
Free


S1 Ch7.1 “Book” P. 7.13 Practice 7.6
Free


S1 Ch7.1 “Book” P. 7.12 Practice 7.5
Free


S4-ch6.2 Signs of Trigonometric Ratios (p1-p2)
Free


S1 Ch7.1 “Book” P. 7.10 Practice 7.4
Free


S3 maths chap7 2 lesson 1
Free


S3 maths chap7 2 lesson 2
Free


360 Practice D15A.6


360 Practice D15A.5


360 Practice D15A.4


360 Practice D15A.1 to 3


S1 Ch7.1 “Book” P.7.8 Practice 7.3 ( a,b)
Free


S1 Ch7.1 “Book” P.7.7 Practice 7.2 ( a,b,c)
Free


S1 Ch7.1 “Book” P.7.5 Practice 7.1 ( a,b,c)
Free
![[1] - Laws of Positive Integral Indices 正整指數定律](https://video.ttc.edu.hk/view/img/placeholder-image.png)
![[1] - Laws of Positive Integral Indices 正整指數定律](https://video.ttc.edu.hk/view/img/placeholder-image.png)
[1] - Laws of Positive Integral Indices 正整指數定律
Free


S3 maths chap7 1 lesson 3
Free


S3 maths chap7 1 lesson 2
Free


S3 maths chap7 1 lesson 1
Free
[1] - Laws of Positive Integral Indices 正整指數定律
273 0 03-Math Free
![[1] - Laws of Positive Integral Indices 正整指數定律](https://video.ttc.edu.hk/videos/_YPTuniqid_5e3f94ff8880b2.86004527.jpg?1582944586)
IDENTITY網站: http://project-identity.hk 影片內容: 00:15 - review of index notation 重溫指數記數法 00:51 - a^m × a^n = a^(m + n) 01:52 - a^m ÷ a^n = a^(m - n) 03:01 - (a^m)^n = a^(m × n) 04:11 - (ab)^n = (a^n)(b^n) 05:26 - (a/b)^n = (a^n)/(b^n) 所屬主題: [初中數學] - Laws of Integral Indices 整數指數定律


S2 maths chap13 2 lesson 2
Free


S2 maths chap13 2 lesson 1
Free


S2 maths chap13 1 complementary lesson 補充課堂
Free


S2 maths chap13 1 lesson 2
Free


S2 maths chap13 1 lesson 1
Free


S2 maths First Exam Section C Q12
Free


S2 maths First Exam Section C Q11
Free


S2 maths First Exam Section C Q10
Free


S2 maths First Exam Section B SQ
Free


S2 maths First Exam Section A MC
Free


Chap 15.1.1 Equation of a straight line


S5-Ch15.1 Intercept Form (p.7)
Free


S5-Ch15.1 Slope-intercept form-2 (p.6)
Free


S5-Ch15.1 Slope -intercept form (p.5)
Free


Chap15 Intro


S5-Ch15.1 Point-slope Form (p.4)
Free


S5-Ch15.1 Point-slope Form (p.3)
Free


S5-Ch15.1 Two-point Form (p.2)
Free


S5-Ch15.1 Two-point Form (p.1)
Free


S4-Ch6.1 Basic Trigonometric Identities (p.8)
Free


S4-Ch6.1 Class Practice (p.7)
Free


S4-Ch6.1 Special Angles (p.6)
Free


S4-Ch6.1 Class Practice (p.5)
Free

S4-Ch6.1 Example 3 (p.5)
Free


S4-Ch6.1 Class Practice (p.3-p.4)
Free


S4-Ch6.1 Example 2 (p.3)
Free


S4-Ch6.1 Class Practice (p.2)
Free


S4-Ch6.1 Pythagoras' Theorem
Free


S5-Ch15.0 Parallel lines and Perpendicular lines
Free


S5-Ch15.0 Slope and Inclination angle -2
Free


S5-Ch15.0 Slope and Inclination angle -1
Free


Ch15.0 Section and Mid-point Formula -2
Free


S5-Ch15.0 Distance between two points -2
Free


S5-Ch15.0 Section and Mid-point Formula -1
Free


inequalities factorization 2
Free


inequalities factorization1
Free


revision on quadratic graph
Free


Summation of AS
Free


arithmetic mean
Free


Introduction to sequence
Free


angle in alternate segment
Free


Revision on Locus
Free


revision on Application of trigonometry
Free


Revision on Equations of Circles
Free


revision on variation
Free

