Play, persevere, succeed
In this feature, we have collected together some puzzling problems that challenge students to think mathematically. We hope these tasks will offer all students opportunities to be successful.
Multiples Sudoku Age 11 to 14
Challenge Level
Challenge Level
Each clue in this Sudoku is the product of the two numbers in adjacent cells.
Shape Products Age 11 to 14
Challenge Level
Challenge Level
These eleven shapes each stand for a different number. Can you use the multiplication sums to work out what they are?
Number Families Age 11 to 14
Challenge Level
Challenge Level
How many different number families can you find?
Alison's Quilt Age 11 to 14
Challenge Level
Challenge Level
Nine squares are fitted together to form a rectangle. Can you find its dimensions?
Factors, Multiple and Primes - Short Problems Age 11 to 16
A collection of short problems on factors, multiples and primes.
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.