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How Hot Is It?
A thermometer measures temperature. The numbers go UP when it gets warmer and DOWN when it gets cooler.
Today: 72 degrees Fahrenheit (nice day!)
Yesterday: 65 degrees (a bit cooler).
Which day was warmer? Today! 72 > 65.
How much warmer? 72 - 65 = 7 degrees warmer.
A thermometer is like a vertical number line. Higher numbers = warmer. Lower numbers = cooler.
**Think About It:** Water freezes at 32 degrees F. A nice day is about 70-80 degrees. A hot day is 90+!