# Mastering LCM and HCF

Mastering LCM and HCF
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Slide 1: Slide

This lesson contains 14 slides, with interactive quizzes and text slides.

## Items in this lesson

Mastering LCM and HCF

#### Slide 1 -Slide

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Learning Objective
At the end of the lesson, you will be able to understand and calculate the LCM (Least Common Multiple) and HCF (Highest Common Factor) of given numbers.

#### Slide 2 -Slide

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#### Slide 3 -Mind map

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Slide 1: LCM
LCM is the smallest multiple that is evenly divisible by two or more numbers.

#### Slide 4 -Slide

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Slide 2: HCF
HCF is the largest factor that divides two or more numbers without leaving a remainder.

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Slide 3: Finding LCM
To find the LCM of two or more numbers, we can use prime factorization or the method of listing multiples.

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Slide 4: Prime Factorization
Prime factorization involves breaking down a number into its prime factors and then multiplying them together to find the LCM.

#### Slide 7 -Slide

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Slide 5: Listing Multiples
Listing multiples involves listing the multiples of each number and finding the smallest common multiple.

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Slide 6: Finding HCF
To find the HCF of two or more numbers, we can use prime factorization or the method of division.

#### Slide 9 -Slide

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Slide 7: Prime Factorization for HCF
Prime factorization involves finding the common prime factors of the given numbers and multiplying them together to find the HCF.

#### Slide 10 -Slide

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Slide 8: Division Method for HCF
The division method involves repeatedly dividing the given numbers until the remainder becomes zero, and the divisor at that stage is the HCF.

#### Slide 11 -Slide

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Write down 3 things you learned in this lesson.

#### Slide 12 -Open question

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.
Write down 2 things you want to know more about.

#### Slide 13 -Open question

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.