* Number Theory*

1. Prime Numbers

In this video, Teacher Jon introduces secondary students to the primes, making use of the sieve of Eratosthenes, and looks Read more

2. Fibonacci Numbers

In this video, Teacher Jon introduces the Fibonacci sequence using the question posed by Fibonacci in 1202, and continues with Read more

3. Indices – an Introduction

Indices : the First 4 Laws (Indices, Powers or Exponents) Introduces students to the first 4 laws of indices with Read more

4. Indices – Word Problems

Indices – Word Problems (Indices, Powers or Exponents) Solving simple word problems by looking for patterns using indices (or exponents Read more

5. Factors and Multiples – The HCF and the LCM

In this lesson, Teacher Jon explains Factors and Multiples, as well as the Highest Common Factors and Lowest Common Multiples. Read more