You can always win this game if you go second | An SOS (math olympiad) puzzle

You can always win this game if you go second | An SOS (math olympiad) puzzle

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video explains the rules of the SOS game and presents a Math Olympiad problem where two players take turns placing S or O in a line of 2000 squares. The goal is to spell SOS in three consecutive squares, with the last player to do so winning. The video explores strategies and thought processes to prove that the second player can always win, using symmetry and optimal play. It also includes a sponsor message about Click Up.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective of the SOS game?

To spell SOS in three consecutive squares

To create a pattern of alternating letters

To fill all squares with letters

To have more letters than the opponent

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Math Olympiad problem, how many squares are used in the game?

100 squares

10 squares

500 squares

2000 squares

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the challenge presented in the Math Olympiad problem?

To spell SOS in the fewest moves

To find a way to draw the game

To prove that the second player can always win

To prove that the first player can always win

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the initial approach to solving the problem?

Analyzing a game with 2000 squares

Simplifying the game to three squares

Ignoring the problem constraints

Using advanced mathematical formulas

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What pattern was identified as crucial for winning the game?

Alternating S and O

Two S's separated by two blanks

Two S's separated by one blank

Three O's in a row

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the S blank blank S setup?

It guarantees a win for the first player

It guarantees a win for the second player

It is irrelevant to the game's outcome

It leads to a draw

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does symmetry play in the game analysis?

It has no impact on the game

It is used to confuse the opponent

It makes the game more complex

It helps identify winning moves

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