Cool math tricks that actually work!

Who was quoted as saying pure mathematics is the poetry of logical ideas?

• Isaac Newton

• Albert Einstein

• Bob Marley

• Nikola Tesla

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CCSS.RL.8.3

What is the purpose of the stopwatch in the video?

• To count down to the trick's reveal

• To prove no changes were made to the secret file

• To time how long the trick takes

• To keep track of the numbers chosen

What is the first step in performing the mathematical trick?

• Writing down the pre-selected number

• Selecting a four-digit number at random

• Opening the secret text file

• Using a random number generator

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How is the final sum of the numbers determined in the trick?

• Through the use of a secret algorithm

• By ensuring the sum of each pair of numbers equals 9999

• By adding random numbers together

• By psychic prediction

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What should you do if someone chooses 9999 as their number?

• Choose 1111 as your next number

• Restart the trick

• Change the pre-selected number

• Prevent them by setting rules

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Use the method for multiplying by 11. Then solve 36 x 11.

• 396

• 296

• 400

• 416

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