Live Problems - Stage 3, 4 & 5

Multiples Sudokulive

Stage: 3 Challenge Level: Challenge Level:1

Each clue in this Sudoku is the product of the two numbers in adjacent cells.

Shape Productslive

Stage: 3 Challenge Level: Challenge Level:1

These eleven shapes each stand for a different number. Can you use the multiplication sums to work out what they are?

Number Familieslive

Stage: 3 Challenge Level: Challenge Level:1

How many different number families can you find?

Alison's Quiltlive

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

Nine squares are fitted together to form a rectangle. Can you find its dimensions?

Opening the Doorlive

Stage: 4 and 5 Challenge Level: Challenge Level:1

What happens when we add together two complex numbers?

Strolling Alonglive

Stage: 4 and 5 Challenge Level: Challenge Level:1

What happens when we multiply a complex number by a real or an imaginary number?

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?