1 out of 3
Why do you think that the red player chose that particular dot in this game of Seeing Squares?
1 out of 3
Investigate the different distances of these car journeys and find out how long they take.
2 out of 3
In this problem we are looking at sets of parallel sticks that cross each other. What is the least number of crossings you can make? And the greatest?
1 out of 3
Investigate the different distances of these car journeys and find out how long they take.
3 out of 3
What is the date in February 2002 where the 8 digits are palindromic if the date is written in the British way?
3 out of 3
Follow the directions for circling numbers in the matrix. Add all the circled numbers together. Note your answer. Try again with a different starting number. What do you notice?
2 out of 3
Can you find out how the 6-triangle shape is transformed in these tessellations? Will the tessellations go on for ever? Why or why not?
1 out of 3
Compare the numbers of particular tiles in one or all of these three designs, inspired by the floor tiles of a church in Cambridge.
2 out of 3
Investigate the different ways these aliens count in this challenge. You could start by thinking about how each of them would write our number 7.
1 out of 3
How many different journeys could you make if you were going to visit four stations in this network? How about if there were five stations? Can you predict the number of journeys for seven stations?
