There are 366 different Starters of The Day, many to choose from. You will find below some starters on the topic of LCM. A lesson starter does not have to be on the same topic as the main part of the lesson or the topic of the previous lesson. It is often very useful to revise or explore other concepts by using a starter based on a totally different area of Mathematics.

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### LCM Starters:

If all the bells ring together at noon, at what time will they next all ring together? This problem requires the use of LCM.

Work out how many people were at the dance from the clues given.

A puzzle about the lifts in a hotel which serve floors based on the day of the week.

Work out what the nth letter will be in a recurring pattern of letters in a person's name

## Exercises

#### Factor Trees

Create factor trees to find the prime factors of the given numbers.

#### HCF and LCM

Practise finding the highest common factor (H.C.F), sometimes called the greatest common divisor, and the lowest common multiple (L.C.M) of two numbers.

### Search

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