# math CHAPTER 2.5 and Chapter 2.6 FORM 1 By Kelvin

Views:

Category: Education

## Presentation Description

math CHAPTER 2.5 and Chapter 2.6 FORM 1 By Kelvin

## Presentation Transcript

### Mathematics – Form 1:

Mathematics – Form 1 Chapter 2.5 By Kelvin

### Prime Factors:

Prime Factors Is non – prime number/factors find out the prime number Example of 12 1, 2, 3, 4, 6, 12 Prime number on these number is 2,3 Non – prime number is 4, 6, 12 1 not prime number and non – prime number

### How to answer:

How to answer Example of 20 1, 2, 4, 5, 10, 20 The prime factors of 20 are 2, 5 (full answer) Non – prime number = 4, 10, 20 (non – answer/only know)

### Exercise (No solution) :

Exercise (No solution) List all the prime factors : 50 78 88 100 124 329 1002

### Slide 5:

2)91 = Y x Z (Y and Z is prime number) Find the prime number and calculate the sum between Y and Z. 3)10 = A x B (A and B is prime number ) Find the prime number and calculate the difference between A and B. 4)33 = P and Q (P and Q is prime number) Find the prime number and calculate the difference between P and Q.

### Mathematics – Form 1:

Mathematics – Form 1 Chapter 2.6 By Kelvin

### Multiples between :

Multiples between Method 1x2 2x2 3x2 4x2 5x2 … Multiples of 2 2 4 6 8 10 …. How to Answer Multiply 3 by1, 2, 3 and 4. Do a table. Method 3x1 3x2 …. Multiples of 3 3 6 …. Answer : The first 4 multiples of 3 are 3, 6, …. Exercise (No solution) Multiples of 5 : 5, 10, __, __, __, 30 Multiples of 7 : 7, 14, __, __, __, 42 Multiples of 32 : 32, 64, __, __, __ Multiples of: 40:40, 80, __, __, __

### Slide 8:

THANKS FOR SEE THIS CHAPTER…. THIS THE LAST OF THE CHAPTER 2.5 and 2.6…. NEXT CHAPTER IS COMING SOON AT 11 /3/2016 ….. 