MinutePhysics
How to Count Infinity
"Some infinities are bigger than other infinities" - Hazel Grace Lancaster, in "The Fault in Our Stars," by John Green
MinutePhysics
Do Cause and Effect Really Exist? (Big Picture Ep. 2/5)
Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it! This video is about why there's no such thing as cause and effect at the level of fundamental particle physics, and how our...
3Blue1Brown
All possible pythagorean triples, visualized
There are a few special right triangles many of us learn about in school, like the 3-4-5 triangle or the 5-12-13 triangle. Is there a way to understand all triplets of numbers (a, b, c) that satisfy a^2 + b^2 = c^2? There is! And it uses...
3Blue1Brown
All possible pythagorean triples, visualized
There are a few special right triangles many of us learn about in school, like the 3-4-5 triangle or the 5-12-13 triangle. Is there a way to understand all triplets of numbers (a, b, c) that satisfy a^2 + b^2 = c^2? There is! And it uses...
MinutePhysics
How to Count Infinity
"Some infinities are bigger than other infinities" - Hazel Grace Lancaster, in "The Fault in Our Stars," by John Green
TED-Ed
TED-ED: How many ways can you arrange a deck of cards? - Yannay Khaikin
One deck. Fifty-two cards. How many arrangements? Let's put it this way: Any time you pick up a well shuffled deck, you are almost certainly holding an arrangement of cards that has never before existed and might not exist again. Yannay...
PBS
How to Break Cryptography
Only 4 steps stand between you and the secrets hidden behind RSA cryptography. Find out how to crack the world's most commonly used form of encryption.
Curated Video
Identify numbers on marked but unlabelled number lines
Pupil outcome: I can identify numbers on marked but unlabelled number lines. Key learning points: - Within a mixed number, the whole number is the most significant part. - The whole number part of a mixed number can be used to decide...
Curated Video
Estimate the position of a number on a number line using fraction sense
Pupil outcome: I can estimate the position of a number on a number line using fraction sense. Key learning points: - To estimate the position of mixed numbers on a number line, first identify which integers it sits between. - Then use...
Curated Video
Plotting a relationship
Pupil outcome: I can use a graphical representation to show all of the points (within a range) that satisfy a relationship. Key learning points: - A line can be drawn using coordinates found following a rule. - You can check any point on...
Curated Video
Deepening understanding of place value in integers
Pupil outcome: I can state the value of any digit in any given integer in any given form. Key learning points: - An integer can be read aloud in different ways. - Context may affect how an integer is read aloud. - An integer can be...
Curated Video
Securing understanding of place value in integers
Pupil outcome: I can state the value of any digit in a given integer. Key learning points: - It is difficult to know what a digit represents if you do not know its place value. - An integer can be written as the sum of the place value of...
Curated Video
Problem solving with integers and decimals
Pupil outcome: I can use my knowledge of calculating with integers and decimals to solve problems. Key learning points: - Integers and decimals appear in many real-world contexts. - Calculating with money is an example of decimals. -...
Curated Video
Checking understanding of ordering and comparing numbers
Pupil outcome: I can order and compare numbers and measures using <, >, = Key learning points: - The symbol < means: less than. - The symbol > means: greater than. - The symbol ≤ means: less than or equal to. - The symbol ≥ means:...
Curated Video
Checking understanding of place value in integers
Pupil outcome: I can use my understanding of place value to create numbers that meet certain conditions. Key learning points: - The place value of a digit affects the overall value of an integer. - Integers with the same digits have...
Curated Video
Divide decimal fractions by 1-digit numbers
Pupil outcome: I can use multiplying by 10 or 100 to divide decimal fractions by 1-digit numbers mentally. Key learning points: - When we divide decimal fractions by 1-digit numbers, make the decimal into a whole number by multiplying by...
Curated Video
General algebraic forms for specific number properties
Pupil outcome: I can fluently write general algebraic forms for different number properties. Key learning points: - The divisibility tests can be used to help write general algebraic forms of multiples. - By understanding the general...
Curated Video
Checking understanding of algebraic notation
Pupil outcome: I can represent situations using algebra. Key learning points: - Missing numbers can be found in context. - Missing number problems can be expressed algebraically. - Pairs of numbers that satisfy an equation with two...
Curated Video
Checking and securing understanding of negative numbers in context
Pupil outcome: I can interpret negative numbers in context and can think about negative numbers without context. Key learning points: - Negative numbers are present in everyday life. - Negative numbers exist as they represent values...
Curated Video
Plotting non-integer coordinates
Pupil outcome: I can describe and plot coordinates, including non-integer values, in all four quadrants. Key learning points: - Coordinates with any values can be plotted. - Coordinates can be described in all four quadrants. - Shapes...
Curated Video
Checking understanding of arithmetic procedures with integers and decimals
Pupil outcome: I can add, subtract, multiply and divide with integers and decimals. Key learning points: - The decimal point determines the place value of each digit. - The decimal point can help ensure that digits with the same place...
Curated Video
C++: Learn about ASCII codes and Casting
In this video, we will explore the ASCII table and get introduced to the concept of casting.