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SciShow
The Fibonacci Sequence: Nature's Code
Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence.
MinutePhysics
Length Contraction and Time Dilation | Special Relativity Ch. 5
This video is chapter 5 in my series on special relativity, and it covers how things that are moving (that is, moving relative to an inertial reference frame) at different speeds appear to be shorter in length... and longer in...
MinutePhysics
Spacetime Intervals: Not EVERYTHING is Relative | Special Relativity Ch. 7
This video is chapter 7 in my series on special relativity, and it covers the idea that some things AREN'T relative: there IS a sense of absolute length and absolute time, which can be agreed upon from all moving perspectives (as...
SciShow
The Fibonacci Sequence: Nature's Code
Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence.
3Blue1Brown
Tattoos on Math
After a friend of mine got a tattoo with a representation of the cosecant function, it got me thinking about how there's another sense in which this function is a tattoo on math, so to speak.
Curated Video
Can These Form a Triangle? | Triangle Sum & Sides Theorem | 7.G.A.2
In this Grade 7 math video, we solve a problem aligned with Standard 7.G.A.2 — determining which sets of angles or sides CANNOT form a triangle!
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We review two key
theorems:
🔹 Triangle Sum Theorem — The sum of the...
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We review two key
theorems:
🔹 Triangle Sum Theorem — The sum of the...
Curated Video
How to Know If a Suit Fits Properly
Howcast - Learn how to tell if a suit fits properly from Louis Purple menswear boutiques founder Charles Brunold in this Howcast video.
Curated Video
How to Use the Pythagorean Theorem
Howcast - The Pythagorean theorem is a cornerstone of geometry. Here's how to use it.
Curated Video
How to Determine the Area of a Trapezoid
Howcast - A trapezoid is a four-sided figure with one pair of parallel sides. Because a trapezoid can be dissected into a rectangle and two identical triangles, find it’s area is easy.
Curated Video
Explain that items can be compared using length and height
Pupil outcome: I can compare items according to their length and height. Key learning points: - When comparing different heights and lengths, know the language used varies depending on what we are describing. - The ___ is taller /...
Curated Video
Use knowledge of calculating volume to solve problems in a range of contexts
Pupil outcome: I can use knowledge of calculating volume to solve problems in different contexts. Key learning points: - Missing dimensions can be deduced from other known dimensions. - Where the volume is known, multiplication or...
Curated Video
Calculate the area of compound rectilinear shapes
Pupil outcome: I can calculate the area of compound rectilinear shapes. Key learning points: - Use addition and subtraction to calculate missing side lengths in compound rectilinear shapes. - Identify two different lengths which total...
Curated Video
Calculating missing lengths with perimeter of polygons
Pupil outcome: I can use the properties of a range of polygons and the perimeter of a given polygon to deduce missing side lengths. Key learning points: - Missing side lengths can be found if the perimeter is known. - Perimeter problems...
Curated Video
Finding the perimeter of polygons
Pupil outcome: I can use the properties of a range of polygons to deduce their perimeters, including generalising a perimeter formula where appropriate. Key learning points: - You can identify how to find the perimeter of polygons. - The...
Curated Video
Problem solving with perimeter and area
Pupil outcome: I can use my knowledge of perimeter and area to solve problems. Key learning points: - Problems in context involving perimeter can be solved. - Problems in context involving area can be solved. - The units of measurement...
Curated Video
Calculating missing side lengths from the area of a trapezium
Pupil outcome: I can calculate a missing side length from the area of a trapezium. Key learning points: - The formula can be used to calculate the area of a trapezium. - The area of a trapezium can be used to calculate a missing side...
Curated Video
Introduction to rotations
Pupil outcome: I can understand the nature of rotations and appreciate what changes and what is invariant. Key learning points: - The length of the lines do not change when rotated - The angles inside an object do not change when rotated...
Curated Video
Problem solving with place value
Pupil outcome: I can use my knowledge of place value to solve problems. Key learning points: - Measures are not always presented in the same format. - Sometimes a measure must be converted into a desired format. - Real-life context can...
Curated Video
Interior designer
Pupil outcome: I can understand how maths is used in interior design. Key learning points: - Measurements need to be accurate when designing a space - Quantities of materials need to be determined to minimise waste - Cost needs to be...
Curated Video
The effect of enlargement on the perimeter of a shape
Pupil outcome: I can understand the effect of an enlargement on the perimeter of a shape. Key learning points: - An enlargement means the object and image are similar. - All lengths in the object have been multiplied by the scale factor....
Curated Video
Converting between centimetres and millimetres
Pupil outcome: I can convert between centimetres and millimetres Key learning points: - To convert between cm and mm, we can use the relationship between 1 cm and 10 mm. - To convert between mm, and cm and mm, we can use partitioning. -...
Curated Video
Converting between metres and centimetres
Pupil outcome: I can convert between metres and centimetres. Key learning points: - Using the known fact that 100 cm are equivalent to 1 m can help us convert between cm and m. - Partitioning and using the relationship between 1 m and...
Curated Video
Applications of Quadratics 2
In this video, we do two quadratics word problems. The first involves two square and their areas. The second involves a right triangle with polynomial side lengths.
Wonderscape
Finding the Perimeter of a Triangle: Simple Steps and Applications
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...