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The best working math models for Class 9 include those demonstrating Pythagorean theorem, circle properties, lines and angles, and polygons. Models using physical representations like squares and triangles for geometry theorems are a great option, while a circular model can illustrate circle properties or a 3D model can showcase polygon 1. Pythagoras Theorem Working Model 2. Coordinate Geometry Plotter … Read more
This model shows corresponding angles. When a transversal cuts two parallel lines, angles in the same position form corresponding pairs. Here, nails act as touch points. When I touch nail 1 and nail 5 together, the circuit completes and the LED glows. That means ∠1 and ∠5 are corresponding angles. Materials Needed Board & Structure … Read more
Learn how to make a Congruent Triangles Working Model for your maths projects! This DIY TLM (Teaching Learning Material) tutorial is perfect for students, teachers, and math enthusiasts who want a simple yet effective way to demonstrate congruent triangles visually. In this video, we cover step-by-step instructions to create a craft-based, interactive maths model that … Read more
In this video, you will learn how to make a colorful and rotating wheel model on Sets for school projects, maths exhibitions, and TLM activities.This working model helps students understand Union (A ∪ B), Intersection (A ∩ B), Difference, Complement, Universal Set, and Null Set in a fun and interactive way. MATERIALS REQUIRED STEP–BY–STEP PROCEDURE … Read more
In this video, you will learn how to make a Types of Angles Working Model for Maths Exhibition.This is an easy and creative DIY model that explains Acute Angle, Right Angle, Obtuse Angle, Straight Angle, Reflex Angle, and Full Angle using a rotating protractor system. Materials Required Step-by-Step Instructions STEP 1: Prepare the Main Board … Read more
Learn how to make a Coordinate Geometry Working Model for Maths Exhibition, School Projects, and TLM (Teaching Learning Material).This simple DIY project clearly explains the X-axis, Y-axis, Quadrants, Coordinate Points, and Signs of Coordinates. MATERIALS REQUIRED STEP-BY-STEP MAKING PROCESS Step 1: Make the Circular Graph Board Step 2: Draw the Coordinate Axes Step 3: Mark … Read more
In this video, you will learn how to make a Pythagoras Theorem Model using cardboard, foam sheets, and simple craft materials. This model beautifully demonstrates the famous formula: a² + b² = c² We show how to construct the right-angle triangle, the squares on its sides representing a², b², and c², and how to arrange … Read more
In this video, you will learn how to make a Double Bar Graph Model for maths exhibition or school project. This model clearly shows comparison of marks in two different exams (Half-yearly vs Annual) using colorful bars, chart paper, and foam sheets. Materials Needed Step-by-Step Procedure STEP 1: Prepare the Base STEP 2: Make the … Read more
In this video, we show how to make an amazing Maths Working Model that identifies Prime Numbers and Non-Prime Numbers using LED lights, metal nails, and a simple touch-probe switch.When you touch the probe to any number, the Green LED glows for Prime numbers and Red LED glows for Non-Prime numbers. 1) MATERIALS REQUIRED Electronics … Read more
Here are 25 Water Management Working Model Ideas — creative, practical, and perfect for school exhibitions , science fairs, and YouTube videos. 1. Rainwater Harvesting Model Shows rooftop collection → pipe → filter → storage tank. 2. Drip Irrigation System Conserves water using controlled slow release. Use IV tubes or straws. 3. Sprinkler Irrigation Model … Read more
Introduction Water is one of the most important natural resources on Earth. All living organisms—humans, animals, and plants—depend on water for survival. However, in many parts of the world, water scarcity is becoming a major problem. Rapid population growth, climate change, urbanisation, and overuse of groundwater have increased pressure on our water resources. Therefore, we … Read more
Introduction Energy is one of the most important needs of modern society. Electricity powers our homes, industries, hospitals, schools, transportation, communication systems, and everything we depend on in daily life. As the demand for energy increases, countries look for safe, efficient, and reliable sources of power. One such powerful source of energy is nuclear power. … Read more
Introduction Waste is an unavoidable part of human life. Every activity we perform—eating, studying, cleaning, cooking, traveling, and even using electronic devices—produces some kind of waste. With the increase in population, urbanization, and industrialization, the amount of waste generated across the world has increased rapidly. If this waste is not handled properly, it leads to … Read more
Introduction Green energy, also called renewable or sustainable energy, refers to energy obtained from natural sources that are continuously replenished and cause minimal harm to the environment. Examples include solar power, wind energy, hydropower, geothermal energy, tidal energy, and biomass. These sources differ from fossil fuels (coal, petroleum, and natural gas), which take millions of … Read more
Here are several mathematics projects using LED lights that are suitable for an exhibition. These projects make abstract mathematical concepts tangible and engaging types of angles working model with led lights Angles are an important part of geometry and are used in daily life—from the opening of a door to the turn of a steering wheel. To … Read more