April 13, 2020

Puzzles sharpen our brains and teach us perseverance. They enhance our problem-solving skills as we are challenged to think and create strategies.

Try these puzzles with your children or students.


Please share your answers and your favorite puzzles with us.



This image has an empty alt attribute; its file name is 100.jpg

Some solutions

1x (2+3) x 4 x 5 – (6-7-8+9) =100

(1+2+3+4+5+6+7 )+ (8×9) = 100

(1×2)+(3×4) x 5+(6+7+8+9)=100

This puzzle ( a bit modified) is from Fibonacci’s book, Liber Abaci. Fibonacci was a great Italian mathematician who lived in the 13th century.

More about Fibonacci here

Hint: Tree diagram


7 women + 49 horses + 343 + children + 2401 sacks + 16807 loaves + 117649 olives

137 256 on the way to Rome


On the other side of 3 is the circle. In the first arrangement, the 3 appears with the triangle and square cards. This leaves the circle as the shape on the other side on the 3 card.

There are 6 different ways for the Binions to sit in their spaceship. Explained more here: Factorial

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