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Mathematics
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Zero Factorial Explained
Zero Factorial Explained: in this video we explain why zero factorial is equal to one and use a simple combinatorics example to demonstrate this.
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Symbols Used In Set Notation
This video covers the essential symbols used in set notation and provides examples of these set symbols. Check out our other mathematical symbol videos:
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Interior & Exterior Angles Practice Questions: Test Your Knowledge
Test your knowledge of interior and exterior angles in maths! This video provides a range of practice questions and answers on the topic!
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Rotational Symmetry Practice Questions: Test Your Knowledge
Test your knowledge with these rotational symmetry practice questions!
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Cube Numbers Practice Questions: Test Your Knowledge
This video provides a variety of practice questions and answers on the topic of cube numbers for you to test your knowledge!
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Square Numbers Practice Questions: Test Your Knowledge
This video provides a variety of practice questions and answers on the topic of square numbers for you to test your knowledge!
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Identifying Surds Practice Questions: Test Your Knowledge
This video provides a variety of practice questions and answers on the topic of identifying surds.
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A Man Steals $100 Bill Riddle Explained
This video explains the solution to the viral math riddle “A man steals a $100 bill from a store’s register. He then buys $70 worth of goods at that store, using the $100 bill, and gets $30 change. How much money did the store lose?”
A visual demonstration of how to solve this riddle is provided.
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Multiplying Decimals Practice Questions: Test Your Knowledge
In this video we provide practice test questions and answers relating to multiplying decimals so you can test your knowledge on the topic!
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Laws Of Exponents / Powers / Indices
The video covers the 8 laws of exponents (also known as powers or indices), ranging from multiplying exponents to fractional exponents. Explanations of why the laws work are also provided. Practice questions and answers are at the end of the video.
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Laws Of Exponents Practice Questions: Test Your Knowledge
This video provides a range of practice questions and answers to test your knowledge on the laws of exponents, also known as indices or powers.
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Set Theory: Set Operations Explained
This video provides a brief introduction to sets and then explains the four main set theory operations of union, intersection, difference and complement. Venn diagrams are used to demonstrate the concepts. Practice questions and answers are at the end of the video.
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How To Find The Volume Of A Frustum (Updated)
This video explains how to find the volume of a frustum and explains what a frustum is. We also explain how to find the radius of the smaller/removed cone. There are two practice questions at the end of the video.
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How many squares on a chessboard: activity pack
This activity pack is designed to help teachers guide students through the process of counting the total number of squares on a standard 8x8 chessboard. The activity provides a practical application of mathematical concepts such as arithmetic progression and summation.
Included:
Squares on a chessboard worksheet (with QR code)
Squares on a chessboard worksheet (without QR code)
Activity notes for teachers