A game of chess

What was the king's challenge to his people?

• To build a tall tower

• To solve a difficult math problem

• To find a hidden treasure

• To defeat him in a game of chess

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What did the traveller wish for after winning the chess match?

• A horse and carriage

• Rice grains placed on a chessboard in a doubling sequence

• A new house

• A bag of gold coins

How did the king initially feel about the traveller's wish?

• He was scared

• He was confused

• He was angry

• He thought it was a modest request

What mathematical concept does the traveller's wish illustrate?

• Addition

• Division

• Subtraction

• Exponential growth

What is the total number of rice grains needed for the traveller's wish?

• 1 million grains

• 18 quintillion 446 quadrillion 744 trillion 73,709,551,615 grains

• 100,000 grains

• 10 billion grains