alexchik

77 Works

Works

Trigonometric Ratios of Special Angles

2015-05-27 22:04

Quiz on Compass Bearings: Quadrant Angle Practice

2014-03-26 21:27

Sine Formula Demonstration

2015-04-17 22:28

Combined Quiz on Bearings

2016-03-15 09:17

Dynamic Definition of Trigonometric Ratios for Arbitrary Angles

2013-03-27 12:04

Proof of Pythagorean Theorem (1)

2012-11-06 09:32

Verification of Pythagoras Theorem

2015-01-23 13:33

Heron's Formula Proof Without Words: Geometric Construction with Incircle

2015-04-30 09:38

Relations Among Trigonometric Ratios

2015-05-27 22:04

True Bearings Quiz: Interactive Angle Identification Practice

2016-02-13 23:47

Visual Proof of Cosine Rule: Geometric Diagram

2012-10-10 16:00

Contour Lines

2016-01-28 13:23

Interactive Quiz on Solving Right Triangles with Dynamic Construction

2016-03-10 09:45

Visualizing Angle of Elevation & Depression with Geometry

2015-05-27 20:37

Quiz on Solving Right Triangles: Finding Side Lengths

2016-03-08 21:07

Quiz on Solving Right Triangles (Finding Angles)

2016-03-09 14:33

Reference Angle on the Unit Circle

2014-11-23 22:31

Quiz on Trigonometric Ratios

2014-01-23 21:57

Quiz on Simple and Compound Interest

2016-02-01 08:43

Interactive Hong Kong Salaries Tax Calculator Based on Piecewise Functions

2016-02-26 20:28

Compound Interest Calculation and Demonstration

2016-02-01 21:39

Simple Interest Calculation and Demonstration

2016-02-03 14:47

Addition and Subtraction of Directed Numbers (2)

2015-01-21 12:29

Addition and Subtraction of Directed Numbers (1)

2015-01-21 12:28

Percentage (Part-Whole)

2013-12-26 22:39

Quiz on Addition and Subtraction of Directed Numbers (1)

2015-01-21 12:30

Interactive Quiz on Addition and Subtraction of Directed Numbers (2)

2015-01-21 12:31

Graphs of Linear Equations in Two Variables

2015-08-10 10:28

Quiz on Solving One-step Linear Equations (1)

2015-11-13 20:46

Interactive Quiz on Straight Line Equations

2012-12-19 14:19

Simultaneous Linear Equations Practice

2012-11-22 14:05

Trigonometric Ratios: Sine in Context

2013-03-19 17:09

Rotational Symmetry Demonstration

2013-08-16 16:21

Interior and Exterior Angles of Triangles

2012-12-17 23:46

Quiz on Polar Coordinates (2)

2013-07-23 11:17

Geometric Construction and Demonstration of Square Roots

2015-01-23 13:30

Quiz on Naming Congruent and Similar Triangles

2015-08-22 13:48

Measurement and Classification of Angles

2012-11-30 11:18

Measures of Central Tendency: Mean, Median, and Mode

2015-11-24 20:19

Length of Horizontal or Vertical Line Segments

2015-01-17 22:12

Classification of Triangles: Interactive Exploration by Sides and Angles

2013-01-28 14:20

Expectation Value Simulator: Spinner Probability Experiment

2015-09-13 16:07

Sum of Interior Angles of Polygons

2013-02-14 14:58

Exploring Reflection Transformation

2014-03-15 13:57

Solving Triangles: Exploring the SSA Ambiguous Case

2013-03-26 10:02

Interactive Quiz on Angles Associated with Parallel Lines

2014-03-26 17:51

Reflectional Symmetry Demonstration

2013-08-16 22:09

Interactive Translation Transformation

2014-03-15 14:08

Interactive Quiz on Reflection Transformation

2016-02-19 19:30

Introduction to Rectangular Coordinates — Coordinate Geometry (Secondary 1)

2015-01-17 18:13

Arcs and Angles at Centre and Circumference

2015-03-12 10:04

Interactive Quiz on Translation

2016-02-25 21:32

Sum of Exterior Angles of Polygons

2013-02-01 23:44

Quartiles and Box Plot (Comparing Two Data Sets)

2015-11-03 18:52

Locus (3T): Interactive Geometry Construction and Demonstration

2012-09-07 14:24

Proof of Angle at Centre and Angle at Circumference Theorem

2015-03-13 20:41

Quiz on Quartiles and Box Plot

2012-09-17 14:40

Cumulative Frequency Polygon and Histogram Analysis

2015-12-07 18:56

Interactive Quiz on Rotation Transformation

2016-02-19 23:00

Quiz on Angles in a Circle

2016-02-10 06:04