To determine the area of a triangle, you use the formula: Area = 1/2 × Base × Height. This formula works because a triangle is essentially half of a rectangle or square. By identifying the base (the bottom side) and the height (the...

To determine the perimeter of a triangle, you simply add the lengths of its three sides. Whether it’s a scalene triangle with different side lengths, an isosceles triangle with two equal sides, or an equilateral triangle where all sides...

Triangles can also be classified based on their angles. An acute triangle has all three angles less than 90 degrees, a right triangle has one angle exactly 90 degrees, and an obtuse triangle has one angle greater than 90 degrees. No...

Triangles have unique properties that define their shape, sides, and angles. They can be categorized based on their sides: scalene (all sides different), isosceles (two sides equal), and equilateral (all sides equal). Throughout history,...

Transformations are a fundamental concept in mathematics, but they can be confusing for beginners. In this video, I'll give you a clear and concise introduction to translations, reflections, and rotations. You'll learn what...

Welcome to Using one-step equations to find the unknown side lengths of geometric figures, with Mrs. C! If you need help understanding how to use one-step equations to find missing side lengths with given perimeters, we're here to help...

Big Ideas Math -Grade 8 - Chapter 2 - Transformations. Discover the exciting world of transformations in geometry! In this video, Mrs. C breaks down the three main types of transformations—translations, reflections, and rotations with...

Bond Angle Distortion: Lone pairs reduce bond angles between bonding pairs. For example, in a molecule like NH₃ (ammonia), the ideal tetrahedral angle of 109.5° is compressed to around 107° due to the presence of a lone pair on nitrogen....

The geometry of molecules with the general formulas AB₄, AB₅, and AB₆ is determined by the Valence Shell Electron Pair Repulsion (VSEPR) theory, which helps predict molecular shapes based on the repulsion between electron pairs around...

The Valence Shell Electron Pair Repulsion (VSEPR) theory predicts molecular shapes by focusing on the repulsion between electron pairs surrounding a central atom. The main postulates include: Electron Pair Repulsion: Electron pairs...

VSEPR postulates state that the geometry of a molecule depends on the number and arrangement of bonding and lone electron pairs around the central atom

BeCl₂ and BF₃ exhibit linear and trigonal planar geometries, respectively, as predicted by the VSEPR theory, minimizing electron pair repulsion

Light is affected by black holes because of the theory of general relativity, which states that any massive object warps the spacetime around it. Since a photon travels by the shortest distance between two points, light appears to bend...

Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to subtract these mixed numbers.

Discover how the steep gradients of fold mountains are created from parallel flats, as angles build by degrees. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract...

See the amazing warship 'camouflage' that dazzled the enemy, not by hiding the ship, but by tricking the eye. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract...

The characteristics of Koch's mathematical fractal are produced by following a set of simple rules, which result in an infinitely reducing pattern. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the...

Discover how parallax can be used to measure distances, and how early astronomers used it to find the distance of stars from Earth. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math...

See the Golden Ratio in the Mona Lisa and how it has contributed to the painting becoming the most viewed artwork in the world. Maths - Measurement A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...

How Cubist artists used geometry to represent a form in its purest way using geometric shapes such as the cone, cylinder and sphere. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...

Why do bees fly in straight lines, and why does man now copy nature? Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.

Revealing the shape which gets bigger the more you take away... in which an infinitely increasing surface area meets an infinitely decreasing volume.



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See how two simple mathematical principles allowed artists to create the feeling of space within two-dimensional paintings. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context...

How objects can be deformed to make different shapes without tearing, cutting or gluing. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action...