Unveiling the Math behind Magic and Tricks

Unveiling the Math behind Magic and Tricks

Assessment

Interactive Video

Mathematics

10th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the fascination with tricks involving numbers and cards, revealing the mathematical principles behind them. It begins by discussing why people are intrigued by such tricks and introduces a number trick that always results in 3. The video then explains a family-related number trick and a card trick based on the table of 9. Each trick is broken down to show the underlying math, encouraging viewers to use logic and math to understand and perform similar tricks. The video concludes by inviting viewers to share their own tricks and seek mathematical explanations.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result when you follow the first number trick involving doubling and adding?

3

5

7

10

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the sibling number trick, what operation is performed after doubling the number of brothers?

Multiply by 2

Add 10

Subtract 5

Add 5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key mathematical concept used in the card trick?

Subtraction of 3

Addition of 5

Multiplication of 7

Table of 9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result when you subtract the sum of the digits from the number of cards in the card trick?

A multiple of 7

A multiple of 5

A multiple of 9

A multiple of 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general form of a two-digit number used in the sibling trick explanation?

x - y

10x + y

x + 10y

10y + x

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of substituting numbers with variables like x in the explanation?

To confuse the audience

To simplify understanding

To avoid using numbers

To make the trick more complex

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if you want to understand the logic behind number tricks?

Ignore the math

Use logic and math

Rely on luck

Ask someone else