Topic: Number

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# Topic: Number - PowerPoint PPT Presentation

AGREE LEARNING OBJECTIVES. Topic: Number. LO: To be able to do prime factor decomposition. PREPARE FOR LEARNING. STARTER. What is a multiple ? What is the Lowest Common Multiple ? What is a factor ? What is the Highest Common Factor ? What is a prime factor ?

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Presentation Transcript

AGREE LEARNING OBJECTIVES

Topic: Number

LO:To be able to do prime factor decomposition.

PREPARE FOR LEARNING

STARTER

What is a multiple? What is the Lowest Common Multiple?

What is a factor? What is the Highest Common Factor?

What is a prime factor?

List as many prime numbers as you can in ascending order?

PRESENT NEW INFO

PRIME NUMBERS

Gann's Square of Nine and Spiral Properties of Prime numbers

CONSTRUCT MEANING

PRIME FACTOR DECOMPOSITION

2 3 5 7 11 13 17 19

http://screencast.com/t/UgrlPgs9lTu

DEMONSTRATE UNDERSTANDING

NOW DO THE WORKSHEET…

EXTENSION… PRIME FACTORS OF 2345, 4567, 6789 and 123456789 (You can use a calculator!)

DEMONSTRATE UNDERSTANDING

NOW DO THE ASSESSMENT SHEET…

REVIEW

SO WHAT HAVE WE LEARNED?

LO: To be able to do prime factor decomposition.

Can you work out the prime factors of these in your head…?

49

121

57

7