9 nifty tricks we learned in class growing up, and they still help us every day

We learn a lot of things in school, and although we don’t use a lot of them on a daily basis, there are a few tricks that are still 100% relevant to our daily lives.

Here are a few of our favorites:

9- How to calculate how much time before sunset


This one is super easy. With your fingers touching, simply place your left hand up to the sky with the palm facing you; place it so that the bottom of the sun touches the top of your index finger. Now, count the number of fingers it takes to touch the horizon. Each finger represents 15 minutes; therefore, four fingers between the sun and the horizon mean there are 60 minutes left before the sun sets, three fingers mean 45 minutes are left, and so on and so on.

8- How to tell the number of days in a month


Make fists using both your hands and start counting the months using your knuckles and the spaces in between them. If the month lands on a knuckle, it has 31 days. If it lands in the space between, it has 30 (or less, in the case of February).

7- How to tell if the moon is waxing or waning


To tell if the moon is waxing or waning, you just need to remember these three letters: O, D and C. If the moon looks like an O, it is full. If it looks like a C it is waning, and if it looks like a D, it is waxing.

6- How to remember Roman numerals


To remember Roman numerals, keep the following phrase in mind: MDear Cat Loves Xtra Vitamins Intensely. In this sentence, the first letter of each word represents the Roman numerals going in descending order. Therefore, M is 1,000, D is 500, C is 100, L is 50, X is 10, V is 5, and I is 1.

5- How to tell if a battery is still good


To tell if your battery is still in good condition, lift it a few centimeters above a table and let it drop. If it bounces and falls, it is empty.

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