Science Buddies
Example Score Calculation for the 2024 Science Buddies Engineering Challenge
Build a rubber band-powered car in this fun engineering challenge!
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Warning: You're Probably Factoring out Negative Numbers WRONG
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 factor out a negative number in an algebraic expression.
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How to Multiply this Fraction to this Decimal Number
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go through how to multiply a fraction to a decimal number step-by-step.
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Help! I need to subtract these Fractions!
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.
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Factoring Out Coefficients Made Simple
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 factor out a coefficient in an algebraic expression.
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Are You Solving Complex Fractions the Wrong Way?
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go through how to solve and simplify complex fractions step-by-step.
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Gradients: Fold Mountains
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...
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Fibre Optics
Light can be transported over huge distances via fibre optic cables, losing virtually no information. How is this possible? Physics - Waves - Learning Points. Fibre-optic cables carry information from our phones and computers as light. A...
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Fractals: The Koch Snowflake
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...
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Ratios: Currency Exchange
Why are currencies worth different values, and how do you calculate the cross-currency value of your money? Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract...
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Ratios: The Maths of Baking
How would you bake the world's biggest cake? The same way as a small one... in ratio, but with increased measures. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show...
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Fractions: Pythagorean Tuning
How fractions are used in music – and Pythagoras built a whole musical scale based on fractions! Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts...
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Can Monkeys Write Shakespeare?
The Infinite Monkey Theorem states that a monkey hitting a keyboard an infinite number of times will, at some point, end up typing the works of Shakespeare. Find out how to calculate the probability of independent events, and how many...
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Fractional Distillation - Crude Oil Separation
Learn how the industrial process of fractional distillation transforms crude oil into a variety of products, from plane fuel to road surfacing. Chemistry - Chemical Industries - Learning Points. Extraction of crude oil from Fractional...
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Fractional Reserve Banking
Find out what happens to your money when you deposit it in a bank: while the bank must hold on to some reserves, far more is lent out. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
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The Birthday Paradox
How many people do you need to have in one room to be sure that two will share the same birthday? The answer is not as high as you might think... Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the...
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The Egyptians and Unit Fractions
How the Egyptians used the Eye of Horus to denote parts of the whole – and why they avoided vulgar fractions. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films...
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The Odds Are Against You
Find out how bookmakers weight the odds in their favour to ensure they nearly always win. And why gamblers are near certain to lose. Maths - Statistics And Probability A Twig Math Film. Reinforce and extend the learning required by the...
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Fractions: Slow Motion
Discover how video creates movement from still images, and how 'frame rate' affects what we see. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract concepts in...
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Aiming for the Outer Planets
The use of direct and indirect proportion in navigating the Voyager spacecraft to the outer planets. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract...
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Insuring the Titanic
Discover how insurance companies use probability to calculate insurance premiums, and what factors would have been considered when underwriters insured the Titanic. Maths - Statistics And Probability A Twig Math Film. Reinforce and...
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Probability: Irrational Fears
Why do people fear flying but not coconuts? Or rollercoasters but not ladders? Find out how to calculate the theoretical or experimental probability of events, and why this shows that often the things we fear the most are the least...
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The Babylonians and Plimpton 322
Why the depiction of Babylonian numerals matches numeral systems the world over, and how this allows us to decipher their mathematical knowledge. And see what homework Babylonian pupils were set thousands of years ago! Maths - History Of...
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The Monty Hall Problem
This film describes the classic game show problem in which contestants can pick one of three doors and win either a car or a goat. Discover how the odds work to mean you're always better to swap your door if you're given the chance....