Interactive Angles Master: Geometry Lab & Millionaire Game (HTML5 App)
Transform your geometry lessons with this all-in-one interactive HTML5 application!
“Angle Master Ultimate” by Smart Steps is a dual-mode digital resource designed to make teaching angles visual, engaging, and competitive. Perfect for interactive whiteboards, Smartboards, or individual student devices (laptops/tablets), this tool requires no installation and works directly in any web browser.
Target Grade Level: Grades 5–8 (Key Stage 2 & 3) Topics Covered: Angle Types, Complementary & Supplementary Angles, Vertically Opposite Angles, Angles Around a Point.
TWO POWERFUL MODES IN ONE FILE
1- The Angle Lab (Exploration & Teaching Tool) Stop drawing static angles on the board! The Lab allows you to manipulate geometry in real-time.
Dynamic Visuals: Drag points to change angles instantly while measurements update automatically.
5 Interactive Tools:
Angle Types: Visualize Acute, Right, Obtuse, Straight, Reflex, and Full Rotation.
Complementary Angles: “L-Shape” visualization summing to 90°.
Supplementary Angles: Straight line visualization summing to 180°.
Vertical Angles: Prove visually that opposite angles are equal.
Angles Around a Point: Full 360° visualization.
Dark Mode Design: High-contrast neon aesthetics that capture student attention and are easy to read from the back of the classroom.
2- Millionaire Quiz (Gamified Assessment) Turn assessment into a game show!
“Who Wants to Be a Millionaire” Style: Complete with lifelines (50:50, Phone a Friend, Ask the Audience) and a money ladder.
Sound Effects: Integrated audio for correct/wrong answers and ticking timers (no external files needed).
Two Question Banks: Choose between “Angle Definitions” or “Angle Relationships” (calculating missing angles).
** EXCLUSIVE TEACHER FEATURES**
Question Manager: A built-in settings panel lets you toggle specific questions ON or OFF, allowing you to differentiate the game based on what you have taught so far.
Zero-Prep: Just double-click the HTML file to launch. No internet connection required after download.
Pause Function: Pause the game at any moment for “Teachable Moments” or class discussion.
** WHAT’S INCLUDED**
1 x HTML5 Application File (Angle_Master_Ultimate.html)
1 x README guide
How to Use: Simply download the file, unzip, and double-click the HTML file. It will open instantly in Chrome, Edge, Safari, or Firefox.
Ideal For:
Introduction to Geometry
End-of-unit Review Games
Whole-class Whiteboard Activities
Computer Lab Stations







