1 out of 3
Can you picture how to order the cards to reproduce Charlie's card trick for yourself?
1 out of 3
Can you make a hypothesis to explain these ancient numbers?
2 out of 3
Kaia is sure that her father has worn a particular tie twice a week in at least five of the last ten weeks, but her father disagrees. Who do you think is right?
2 out of 3
Decide which charts and graphs represent the number of goals two football teams scored in fifteen matches.
1 out of 3
Here are the six faces of a cube - in no particular order. Here are three views of the cube. Can you deduce where the faces are in relation to each other and record them on the net of this cube?
1 out of 3
How can we make sense of national and global statistics involving very large numbers?
2 out of 3
1 out of 3
1 out of 3
Weekly problem 46 - 2006
What is the first term of a Fibonacci sequence whose second term is 4 and fifth term is 22?
2 out of 3
If all the arrangements of the letters in the word ANGLE are written down in alphabetical order, what position does the word ANGLE occupy?
