Decimals


Examples


Decimal Places (d.p.)
Examples
12.49 rounds up to 12.5.
8.735 rounds up to 8.74.
9.624 rounds to 9.62


Ordering Decimals
Examples
2.710, 6.023, 6.040, 6.210, 6.400, 9.400
10/100 = 1/10 so 6/100 < 1/10


Calculations with Decimals
Example


Multiplying and Dividing by Numbers Between 0 and 1
Examples
The result is bigger than the starting value.
Examiners Tip 1
Multiplying and dividing by numbers between 0 and 1 usually occur on the non-calculator paper - it is wise to practise these by writing out several calculations and then checking the answer with a calculator.