Interactive Games and Puzzles (14-16)

This collection of tasks is part of the activities for 14-16 year olds section of the Maths At Home feature. The activities below all include an online interactivity where you can test your ideas and make discoveries. The stars represent the challenge level, with three stars indicating the most challenging activities. 

You may also wish to explore Interactive Games and Puzzles for 11-14 year olds, and Videos and Interactive Problems  for 16-18 year olds.

Factors and Multiples Game

Age 7 to 16
Challenge Level

A game in which players take it in turns to choose a number. Can you block your opponent?

Diamond Collector

Age 11 to 16
Challenge Level

Collect as many diamonds as you can by drawing three straight lines.

Charlie's Delightful Machine

Age 11 to 16
Challenge Level

Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?

Nine Colours

Age 11 to 16
Challenge Level

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?

Finding Factors

Age 14 to 16
Challenge Level

Can you find the hidden factors which multiply together to produce each quadratic expression?

Which Spinners?

Age 14 to 18
Challenge Level

Can you work out which spinners were used to generate the frequency charts?

The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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NRICH is part of the family of activities in the Millennium Mathematics Project.