1EM Unit 1 – Primes, HCF and LCM – Tim Gan Math Online Courses

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Welcome! 1 Topic

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Please read through the following guidelines before you start the course

1EM 1.1 Prime Numbers and Composite Numbers 6 Topics

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1EM 1.1 Conceptual Bridging: Prime Numbers

1EM 1.1 Worked Example 1 (Test for Prime Numbers)

1EM 1.1 Practice Now 1 Question 1

1EM 1.1 Worked Example 2 (Problem Involving a Prime Number)

1EM 1.1 Practice Now 2 Question 1

1EM 1.1 Practice Now 2 Question 2

1EM 1.2 Prime Factorisation and Its Applications 11 Topics

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1EM 1.2 Worked Example 1 (Why and How do we Prime Factorise?)

1EM 1.2 Practice Now 1 Question 1

1EM 1.2 Worked Example 2 (Finding the Square and Cube Roots using Prime Factorisation)

1EM 1.2 Worked Example 3 (Explanation of Perfect Squares and Cubes)

1EM 1.2 Worked Example 4 (Changing a number to a Perfect Cube)

1EM 1.2 Worked Example 5 (Higher Order Thinking Questions)

1EM 1.2 Exercise Question 1

1EM 1.2 Exercise Question 2

1EM 1.2 Exercise Question 3

1EM 1.2 Exercise Question 4

1EM 1.2 Exercise Question 5

1EM 1.3 Highest Common Factor 6 Topics

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1EM 1.3 Worked Example 1 (Introduction to Highest Common Factor)

1EM 1.3 Practice Now 1 Question 1

1EM 1.3 Worked Example 2 (HCF by Prime Factorisation

1EM 1.3 Practice Now 2 Question 1

1EM 1.3 Worked Example 3 (Applications of Highest Common Factor)

1EM 1.3 Worked Example 4 (Applications of Highest Common Factor)

1EM 1.4 Lowest Common Multiple and Its Applications 11 Topics

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1EM 1.4 Worked Example 1 (Lowest Common Multiple Introduction)

1EM 1.4 Worked Example 2 (Lowest Common Multiple Introduction)

1EM 1.4 Practice Now 1 Question 1

1EM 1.4 Worked Example 3 (Applications of LCM)

1EM 1.4 Worked Example 4 (Applications of LCM)

1EM 1.4 Worked Example 5 (Applications of LCM)

1EM 1.4 Exercise Question 1

1EM 1.4 Exercise Question 2

1EM 1.4 Exercise Question 3

1EM 1.4 Exercise Question 4

1EM 1.4 Exercise Question 5

1EM Unit 1 Summary Worksheet 1 16 Topics

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1EM Unit 1 Summary Worksheet Question 1

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