Live Problems - Stage 3, 4 & 5

Number Sandwicheslive

Stage: 2 and 3 Challenge Level: Challenge Level:2 Challenge Level:2

Can you arrange the digits 1, 1, 2, 2, 3 and 3 to make a Number Sandwich?

More Number Sandwicheslive

Stage: 3 and 4 Challenge Level: Challenge Level:1

When is it impossible to make number sandwiches?

Shogi Shapeslive

Stage: 3 Challenge Level: Challenge Level:1

Shogi tiles can form interesting shapes and patterns... I wonder whether they fit together to make a ring?

Robotic Rotationslive

Stage: 3 and 4 Challenge Level: Challenge Level:2 Challenge Level:2

How did the the rotation robot make these patterns?

Nine Colourslive

Stage: 3 and 4 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Can you use small coloured cubes to make a 3 by 3 by 3 cube so that each face of the bigger cube contains one of each colour?

Mapping the Territorylive

Stage: 4 and 5 Challenge Level: Challenge Level:2 Challenge Level:2

Can you devise a system for making sense of complex multiplication?

Into the Wildernesslive

Stage: 4 and 5 Challenge Level: Challenge Level:2 Challenge Level:2

Let's go further and see what happens when we multiply two complex numbers together!

Complex Puzzlelive

Stage: 4 and 5 Challenge Level: Challenge Level:2 Challenge Level:2

Can you use everything you have learned about complex numbers to crack this puzzle?

Stage 3 and 4 Toughnutslive

Stage: 3 Challenge Level: Challenge Level:1

These Stage 3 and 4 problems have not yet been solved. Can you be the first?

Stage 4 & 5 Toughnutslive

Stage: 5 Challenge Level: Challenge Level:1

These Stage 4 and 5 problems haven't been solved yet. Can you be the first?