2 out of 3
What can you see? What do you notice? What questions can you ask?
3 out of 3
How many solutions can you find to this sum? Each of the different letters stands for a different number.
1 out of 3
Which of these pocket money systems would you rather have?
1 out of 3
A game for 2 or more people, based on the traditional card game Rummy.
1 out of 3
How many moves does it take to swap over some red and blue frogs? Do you have a method?
1 out of 3
How many different symmetrical shapes can you make by shading triangles or squares?
1 out of 3
My two digit number is special because adding the sum of its digits to the product of its digits gives me my original number. What could my number be?
1 out of 3
Can you arrange these numbers into 7 subsets, each of three numbers, so that when the numbers in each are added together, they make seven consecutive numbers?
1 out of 3
Draw some isosceles triangles with an area of $9cm^2$ and a vertex at (20,20). If all the vertices must have whole number coordinates, how many is it possible to draw?
1 out of 3
Are these games fair? How can you tell?
