percentage

TOPIC 4: PERCENTAGELearning Area Convert Decimal to Percentage

Learning ObjectiveRelate Decimal to Percentage

Learning OutcomeConvert decimal number to percentage andVice versa.

irt

If you buy a shirt cost RM 20.00, which less 20%. How much you need to pay for the shirt?

How to convert Decimal number to Percentage?

Fractions, decimals and percentages are all different ways of writing the same thing. There are a number of common ones that are useful to learn.Here is a table showing you the ones that you should learn.

Example of Converting Percentage to Decimal Number

35% = 35 = 0.35 100

Example of Converting Decimal Number to Percentage

0.35 x 100 = 35%

Magic SquaresMagic Squares Game Game

Instructions:Instructions: • Every pupil will get a A4 paper that already Every pupil will get a A4 paper that already

drawn 4 magic squares with 9 columns for each drawn 4 magic squares with 9 columns for each magic square.magic square.

• Pupils have to complete the magic squares with Pupils have to complete the magic squares with decimals in the allocated time frame.decimals in the allocated time frame.

• The rules of the game is the decimals and The rules of the game is the decimals and percentages in every row, column and diagonal percentages in every row, column and diagonal must have the same total.must have the same total.

• Which person can complete the all of 4 magic Which person can complete the all of 4 magic squares in the shortest time, the person will be squares in the shortest time, the person will be the winner.the winner.

0.30.3

0.20.2 60%60% 11

The 1st Magic Square The 1st Magic Square

0.30.3

0.20.2 60%60% 11

0.50.5


0.30.3

0.20.2 60%60% 11

0.90.9 0.50.5


0.30.3

0.20.2 60%60% 11

0.90.9 0.40.4 0.50.5


0.70.7 0.30.3

0.20.2 60%60% 11

0.90.9 0.40.4 0.50.5


0.70.7 0.80.8 0.30.3

0.20.2 60%60% 11

0.90.9 0.40.4 0.50.5


The 2nd Magic Square: The 2nd Magic Square:

1.11.1 50%50%

90%90%

0.70.7


1.11.1 1.11.1 50%50%

90%90%

0.70.7


1.11.1 1.11.1 50%50%

90%90% 1.51.5

0.70.7


1.11.1 1.11.1 50%50%

0.30.3 90%90% 1.51.5

0.70.7


1.11.1 1.11.1 50%50%

0.30.3 90%90% 1.51.5

1.31.3 0.70.7


1.11.1 1.11.1 50%50%

0.30.3 90%90% 1.51.5

1.31.3 0.70.7 0.70.7

The 3rd Magic Square: The 3rd Magic Square:

0.60.6 10% 10%

70%70%

20%20%


0.60.6 10% 10% 0.80.8

70%70%

20%20%


0.60.6 10% 10% 0.80.8

0.70.7 70%70%

20%20%


0.60.6 10% 10% 0.80.8

0.70.7 70%70%

20%20% 0.70.7


0.60.6 10% 10% 0.80.8

0.70.7 70%70% 0.10.1

20%20% 0.70.7


0.60.6 10% 10% 0.80.8

0.70.7 70%70% 0.10.1

20%20% 0.70.7 0.60.6

Remember how to

percentage

Education