Math Magic Trick Operations

Math Magic Trick Operations

Assessment

Interactive Video

Mathematics, Fun

3rd - 7th Grade

Hard

Created by

Mia Campbell

FREE Resource

This video tutorial guides viewers through a fun math calculation that reveals a surprising result. The process involves choosing a number, performing a series of arithmetic operations, and using the current year and birth year to unveil a magic trick. The first digits of the result are the original number, and the last two digits represent the viewer's age. The tutorial aims to entertain and impress friends with this math trick.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step you should take before starting the math trick?

Multiply your birth year by two.

Write down your age.

Get a calculator and a piece of paper.

Choose a random number and memorize it.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After picking a number, what is the first mathematical operation you should perform?

Multiply it by fifty.

Add five to it.

Multiply it by two.

Subtract your birth year.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If your birthday has already occurred this year, what number should you add?

Your birth year.

One thousand, seven hundred fifty-nine.

One thousand, seven hundred fifty-eight.

Your age.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you subtract from the result to reveal the magic?

The number you initially picked.

The current year.

The four-digit year you were born.

Your current age.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do the first digits of the final result represent?

Your birth year.

The number you initially picked.

The current year.

Your age.