Ordering temperatures

This task is about ordering positive and negative numbers.
Time (24 hr) 0000 0400 0800 1200 1600 2000
Temperature (°C) ⁻3 ⁻7 ⁻4 5 0 –1

The chart above shows the temperatures for Larnachton which were recorded every 4 hours on July 3rd.
a)
Put the temperatures for Larnachton in order from the lowest to the highest.  
 
 

_________   _________   _________   _________   _________   _________
Lowest                   Highest
 
The chart shows the minimum temperatures recorded for some South Island towns during the month of June. 
 
Minimum temperatures for June
Town Minimum temperature
(°C)
Balclutha ⁻7.5
Fairlie ⁻14.0
Haast ⁻5.1
Lauder ⁻15.4
Ranfurly ⁻12.5
Tara Hills ⁻19.1
Twizel ⁻13.0

Use the chart to answer the question below.
b)
Put the temperatures for the towns in order from the lowest to the highest.  
 
 

_________   _________   _________   _________   _________   _________
Lowest                   Highest