Y8_3.4_Adding and subtracting decimals

Work out

5.7 + 8.97 + 0.06

No space in between numbers and decimal point.

Work out

1.003 − 0.997 + 0.5

No space in between numbers and decimal point.

Work out

10.007 − (0.8 + 4.43)

No space in between numbers and decimal point.

Subtract $72.87 from $200.30.

Do not need to type unit.

No space in between numbers and decimal point.

A family of four people check-in their suitcases at the airport. The weights of the four cases are 18.5 kg, 26.2 kg, 15.4 kg and 23.7 kg.

The weight limit for the four cases is 100 kg. Calculate how much extra weight the family could have carried.

No need to type unit.

No space in between numbers and decimal point.

A bridge over a road is 3.2 m high at its lowest point. A lorry 2.65 m high passes under the bridge.

What if the lorry is higher than or the same as 3.2 m?

If it is a must for the lorry passes under the bridge. How to solve this problem?

No space in between numbers and decimal point.

This is part of Ivan’s bank statement. It shows the money he pays into and out of his bank account. The balance is the money left in his account. Find the values of A.

No need to type unit.

No space in between numbers and decimal point.

This is part of Ivan’s bank statement. It shows the money he pays into and out of his bank account. The balance is the money left in his account. Find the values of C.

No need to type unit.

No space in between numbers and decimal point.

This is part of Ivan’s bank statement. It shows the money he pays into and out of his bank account. The balance is the money left in his account. Find the values of E.

No need to type unit.

No space in between numbers and decimal point.

In the USA, Mr Krishnan buys five 20 cent stamps and three 26 cent stamps.

How much change would he get from a $5 note?

No need to type unit.

No space in between numbers and decimal point.