Menghitung Luas dan Keliling

Menghitung Luas dan Keliling.PDf

Area And Perimeter

Area And Perimeter.pdf

Rounded

Rounded - PDF version
Pembulatan.PDF - Indonesia Version

Nearest ten

1. Round off 479 to nearest ten

479 is nearer to 480 than to 470 so when rounded off to nearest ten, the answer is 480

Nearest Hundred

2. Round off 479 to nearest hundred

479 is nearer to 500 than to 400 so when rounded off to nearest hundred, the answer is 500

Nearest Thousand

3. Round off 2479 to nearest Thousand

2479 is nearer to 2000 than to 3000 so when rounded off to nearest Thousand, the answer is 2000

Created by Matematika07.blogspot.com

Commom Factor and Common Multiples

PDF version

KPK dan FBP.PDF - Indonesia Version

Commom Factor and Common Multiples

What are the Multiples?

· Multiples of 1 : 1,2,3,4,5,…,etc.

· Multiples of 2 : 2,4,6,8,10,…,etc.

· Multiples of 3 : 3,6,9,12,…,etc.

· Multiples of 4 : 4,8,12,16,…,etc

· Multiples of 5 : 5,10,15,20,…,etc

· ...

· ...

· ...

· Etc

What are the Factors?

· Factors of 2 : 1 and 2

1 x 2 = 2

2 x 1 = 2

· Factors of 4 : 1, 2 and 4

1 x 4 = 4

2 x 2 = 4

4 x 1 = 4

· Factors of 6 : 1, 2, 3 and 6

1 x 6 = 6

2 x 3 = 6

3 x 2 = 6

6 x 1 = 6

· Factors of 12 : 1, 2, 3, 4 and 6

1 x 12 = 12

2 x 6 = 12

3 x 4 = 12

6 x 2 = 12

12 x 1 = 12

Created by Matematika07.blogspot.com

Example :

1. Find the common Multiples and Common Factors of 6 and 9!

Multiples of 6 : 6,12,18,24,30,36,42,48,54,…,etc

Multiples of 9 : 9,18,27,36,45,54,…,,…,etc

The common Multiples of 6 and 9 are 18, 36, and 54

Factors of 6 : 1,2,3 and 6 Factors of 9 : 1,3 and 9

1 x 6 = 6 1 x 9 = 9

2 x 3 = 6 3 x 3 = 9

3 x 2 = 6 9 x 1 = 9

6 x 1 = 6

The common Factors of 6 and 9 are 1 and 3

2. Find the common Multiples and Common Factors of 24 and 36!

Multiples of 24 : 24,48,72,96,108,…,etc

Multiples of 36 : 36,72,108,…,etc

The common Multiples of 24 and 36 are 72 and 108

Factors of 24 : 1,2,3,4,6,8,12,24 Factors of 36 : 1,2,3,4,6,9,12,18,36

1 x 24 = 24 1 x 36 = 36

2 x 12 = 24 2 x 18 = 36

3 x 8 = 24 3 x 12 = 36

4 x 6 = 24 4 x 9 = 36

6 x 4 = 24 6 x 6 = 36

8 x 3 = 24 9 x 4 = 36

12 x 2 = 24 12 x 3 = 36

24 x 1 = 24 18 x 2 = 36

36 x 1 = 36

The common Factors of 24 and 36 are : 1,2,3,4,6,12

Created by Matematika07.blogspot.com