Indices, Powers or Exponents

Posted on Posted in Lessons, Number Theory

Indices : the First 4 Laws (Indices, Powers or Exponents) Introduces students to the first 4 laws of indices with many examples. Indices – Word Problems (Indices, Powers or Exponents) Solving simple word problems by looking for patterns using indices (or exponents or powers)……. Also explains exponential growth, “the second half of the chessboard” , […]

Centre of a Triangle

Posted on Posted in Compass & Straight Edge

In this lesson we find the centre of a triangle. The Centre of a Triangle (Compass and Straight Edge) PowerPoint Lesson: Compass and Straight Edge – The Centre of a Triangle Compass and Straight Edge – The Centre of a Triangle (Thai version) Download Worksheet (PDF): Compass and Straight Edge -The Centre of a Triangle […]

Prime Numbers

Posted on Posted in Number Theory

In this video, Teacher Jon introduces secondary students to the primes, making use of the sieve of Eratosthenes, and looks at twin primes, the spread of the primes, Euclid’s proof of the infinity of the primes and Mersenne primes. Video Lesson: Download Worksheet (PDF): NUMBER THEORY – Prime Numbers

Fibonacci Numbers

Posted on Posted in Number Theory

In this video, Teacher Jon introduces the Fibonacci sequence using the question posed by Fibonacci in 1202, and continues with some applications of these numbers , in architecture, art, design and nature. Video Lesson: Download Worksheet (PDF): NUMBER THEORY – Fibonacci Numbers

Easy Angle Problems

Posted on Posted in Compass & Straight Edge

In this lesson, Teacher Jon provides some easy angle problems, for Lower Secondary Maths students, but a basic knowledge of the terms and symbols used in Angles is still required– (for instance, see my video on Angles – Introductory Terms) . Video Lesson: Download Worksheet (PDF): ANGLES – Easy Angles Problems

How To Teach With Geo-boards

Posted on Posted in Geo-boards

Teacher Jon shows how geoboards are one of the best hands on tools for learning Maths, by demonstrating the range of topics at the Lower Secondary Level that geoboards can be used for, giving over 100 examples based on a standard curriculum.   When given live, this talk is always followed a workshop where students are given […]

How To Make Geo-boards

Posted on Posted in Geo-boards

In this lesson, Teacher Jon explains how learning with geo-boards – in the style of Caleb Gattegno – can be extended into Lower Secondary Maths (Years 7, 8 and 9 )…….. Following a standard curriculum, over 100 examples are given………. This video, which is an overview (which can also be downloaded as a slideshow from […]