Chocolate bars come in boxes of 5 or boxes of 12. How many boxes do you need to have exactly 2005 chocolate bars?
What digit must replace the star to make the number a multiple of 11?
Knights always tell the truth. Knaves always lie. Can you catch these knights and knaves out?
Weekly Problem 37 - 2013
Which of the statements about diagonals of polygons is false?
On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?
Can you find any two-digit numbers that satisfy all of these statements?
Think of a number and follow the machine's instructions... I know what your number is! Can you explain how I know?
Charlie Gilderdale discusses ways to encourage students to learn to function mathematically and use higher order thinking skills.
Letters have different values in Scrabble - how are they decided upon? And would the values be the same for other languages?
