5 Measuring temperature
Temperature tells us how hot or cold something is. You will see or hear temperatures mentioned in a weather forecast, and will also come across them in recipes or other instructions.
Temperature is sometimes given in degrees Celsius (°C) and sometimes in degrees Fahrenheit (°F).
Hint: You might sometimes see Celsius called ‘centigrade’. Note that Celsius and centigrade are the same thing, referring to the same scale of measurement.
Water freezes at 0° Celsius and boils at 100° Celsius. The temperature in the UK in the daytime is usually between 0° Celsius (0°C) on a cold winter’s day and 25° Celsius on a hot day in summer.
OpenLearn - Everyday maths 1 (Northern Ireland) 
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