Rates Of Charges

Rates of Charges• Taxi Fare

• Postage

• Car Park charges

Rates of Charges at carparksCharged hourly

Charged half hourly

Represented by

a full circle

Represented by

a semi circle

• An example of rates charged hourly

First hour Free

Second hour $1 per hour

After the second hour

$2 per hour

First

2 nd

3rd, 4th, 5th,….

Mr Chia parked his car for 4 hours. How much did he have to pay?

$2 per hourAfter the second hour

$1 per hourSecond hour

FreeFirst hour

3rd, 4th, 5th,….

First

2 nd

An example of rates charged hourly

• An example of rates charged hourly• Mr Chia parked his car for 4 hours. How much

did he have to pay?

First

hour

Free

Second

hour

$1 per hour

After the second

hour

$2 per hour

1 st

2nd

3rd

4th

Mr Chia parked his car for 4 hours. How much did he have to pay?

First hour Free

Second

hour

$1 per hour

After the second

hour

$2 per hour

1h x $1/h= $1

2h x $2/h = $4

free

Total cost for 4 hours of parking:

$1 + $4 = $5

• Another example of rates charged hourly• Mr Tan parked his car at the same car park from 1pm

to 5.30pm. How much did he have to pay?

$2 per hourAfter the second hour

$1 per hourSecond hour

FreeFirst hour

1 st

3rd

4th

2nd

3rd, 4th, 5th,….

First

2 nd

He parked his car for 4 ½ hours

• An example of rates charged hourly• Mr Tan parked his car from 1pm to 5.30pm. How much did he

have to pay?

First

hour

Free

Second

hour

$1 per hour

After the second

hour

$2 per hour

1 st

2nd

3rd

4th

He parked his car for 4 ½ hours

• Mr Tan parked his car from 1pm to 5.30pm. How much did he have to pay?

First hour Free

Second

hour

$1 per hour

After the second

hour

$2 per hour

1h x $1/h = $1

3h x $2/h = $6

free

Total cost for 4 1/2 hours of parking:

$1 + $6 = $7

Round up to 3 hours

He parked his car for 4 ½ hours

1/2

• An example of rates charged half hourly

First hour Free

Every

Additional

half hour

$1

every ½ hour

1st

1/2

• Mr Tan parked his car from 1.30 pm to 4 pm. How much did he have to pay?

First hour Free

Every

Additional

half hour

$1

every ½ hour

1 st

2nd1st

He parked his car for 2 ½ hours

• Mr Tan parked his car from 1.30 pm to 4 pm. How much did he have to pay?

First hour Free

Every

Additional

half hour

$1

every ½ hour

1 st

2nd

1/2

1st

He parked his car for 2 ½ hours

• Mr Tan parked his car from 1.30 pm to 4 pm. How much did he have to pay?

1 st

Total cost for 2 1/2 hours of parking $3

Free

3 x $1

1/2

1st

First hour Free

Every

Additional

half hour

$1

every ½ hour

He parked his car for 2 ½ hours

• Another example of rates charged ½ hourly• Mr Ahmad parked his car from 12noon to 3 pm.

How much did he have to pay?

He parked his car for 3 hours

• Mr Ahmad parked his car from 12noon to 3 pm. How much did he have to pay?

First hour Free

Every

Additional

half hour

$1

every ½ hour

1 st

2nd

3rd1/2

1st

He parked his car for 3 hours

1/2

1st

• Another example of rates charged ½ hourly• Mr Ahmad parked his car from 12noon to 3 pm. How much did he

have to pay?

First hour Free

Every

Additional

half hour

$1

every ½ hour

1 st

2nd2nd

3rd3rd

He parked his car for 3 hours

1/2

1st

Mr Ahmad parked his car from 12noon to 3 pm. How much did he have to pay?

First hour Free

Every

Additional

half hour

$1

every ½ hour

1 st

2nd

3rd

Total cost for 3 hours of parking $4

FREE

4 x $1