1. Ordering decimals

2. Ordering decimals
Ordering decimals with the same number of decimal places is easy to do
e.g. 0.2, 0.5, 0.7, 0.9
Things become more difficult when there are different numbers of decimal places…

3. Ordering decimals Put the following decimals into ascending order
0.01, 0.4, , 0.14, 0.542
Note: ascending is smallest to largest
descending is largest to smallest

4. Ordering decimals
The easiest way to do this is to make it so that each number has the same amount of decimal places, so…
0.01
0.4
0.8325
0.14
0.542
0.0100
0.4000
0.8325
0.1400
0.5420

5. Ordering decimals
0.01
0.4
0.8325
0.14
0.542
0.0100
0.4000
0.1400
0.5420
It is now much easier to compare the sizes of the numbers. So the correct order would be…

6. Ordering decimals Be careful with negative numbers!
-0.9 may look bigger than 0.1
BUT IS IT!?