3 out of 3
Can you create a Latin Square from multiples of a six digit number?
2 out of 3
It would be nice to have a strategy for disentangling any tangled ropes...
2 out of 3
Imagine we have four bags containing numbers from a sequence. What numbers can we make now?
1 out of 3
How many pairs of numbers can you find that add up to a multiple of 11? Do you notice anything interesting about your results?
1 out of 3
Simple additions can lead to intriguing results...
1 out of 3
Five equations and five unknowns. Is there an easy way to find the unknown values?
2 out of 3
Can you find the values at the vertices when you know the values on the edges of these multiplication arithmagons?
1 out of 3
Starting with two basic vector steps, which destinations can you reach on a vector walk?
1 out of 3
Invent a scoring system for a 'guess the weight' competition.
1 out of 3
When two closely matched teams play each other, what is the most likely result?
