(21.22) Week 8 - Factors, Multiples & Primes

FACTORS, MULTIPLES, PRIMES, HCF & LCM

1. To be able to identify Factors, Multiples & Primes. 2. To be able to find Highest Common Factors (HCFs) and Lowest Common Multiples (LCMs) 3. To be able to perform Prime Factor Decompositions.

Write a definition, with an example for a Factor, a Multiple and a Prime Number

While you wait

Write a definition, with an example for a Factor, a Multiple and a Prime Number

Use your first name and initial. e.g. John S

Either get the app 'Kahoot', then use the game pin: 08269829 Or google 'Play Kahoot' first link, then use the same game pin as above.

Kahoot answers

Pin: 08269829

Challenge

1. 𝑥4÷𝑥2 2. Convert 250g to kg 3. All probabilities must add up to? 4. ∛27 5. - 10 - 19 6. 70 7. Estimate the length of a standard holiday plane. 8. Simplify 14/56

Factors, multiples & Primes

Join the Socrative Room. Once everyone is ready I will start a quiz. https://b.socrative.com/login/student/ Or get the app 'Socrative' Or google 'Socrative Student' first link.

Room name: GCSEMATHSQUIZ

Week 8 Tasks (a)

Multiples and Factors [MF5.06]

01

Lowest Common Multiple - Listing Technique [MF5.07]

02

Highest Common Factor - Listing Technique [MF5.08]

03

You can find these nuggets in your Assignments, they are grouped into 'Week 8 Nuggets'

Remember you can repeat nuggets as many times as you want.

Remember to study the Century Revision Cards and Videos to help your learning

Completing additional nuggets in your path will help you progress.

04

05

Paper task next slide

Your next task will be a Prime Number Hunt, try to memorise as many as you can from the list below

Don't just write them down (at least not yet!)

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41

Prime Number Hunt

Your Turn

In your books, make Prime Factor Trees to write each number as a product of its prime factors. Choose any 4 of these numbers:

24

18

75

40

60

100

36

48

49

16

Week 8 Tasks (b)

Multiples and Factors [MF5.06]

01

Lowest Common Multiple - Listing Technique [MF5.07]

02

Highest Common Factor - Listing Technique [MF5.08]

03

You can find these nuggets in your Assignments, they are grouped into 'Week 8 Nuggets'

Remember you can repeat nuggets as many times as you want.

Remember to study the Century Revision Cards and Videos to help your learning

Completing additional nuggets in your path will help you progress.

04

Primes [MF5.03]

Prime Factorisation 2 [MF5.10]

05

Paper task next slide

What have we learned?

1. To be able to identify Factors, Multiples & Primes. 2. To be able to find Highest Common Factors (HCFs) and Lowest Common Multiples (LCMs) 3. To be able to perform Prime Factor Decompositions.

Complete the self-evaluation for today's lesson

http://tiny.cc/nzjkuz

Helpful Resources

Powerpoint

Moodle

Youtube

Century

Here find the right nugget and watch the video or read the revision cards

Here find links to worksheets, past papers and videos

Here find links to my personal selection of useful videos

Here find links to previously made PPoints that may be helpful

THANKS

Email me if you have any questions or need help