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Primary Live Problems and Recent Solutions

Primary Live Problems

Each time you visit the NRICH site there will be some activities which are 'live'. This means we are inviting students to send us solutions, and we will publish a selection of them, along with each student's name and their school, a few weeks later. If you'd like to know more about what we're looking for, read this short article.

The last day for submitting solutions to these live problems is Monday 27 November.

Xavi's T-shirtLive

Age 7 to 16

Challenge Level Yellow star

How much can you read into a T-shirt?

Sea LevelLive

Age 7 to 11

Challenge Level Yellow star

The picture shows a lighthouse and some underwater creatures. Can you work out the distances between some of the different creatures?

Primary Toughnuts

Age 5 to 11

These Primary problems haven't been solved yet. Why not take a look?

Primary Students' Solutions

Take a look at these recently solved problems.

Eightness of Eight

Age 5 to 7

Challenge Level Yellow star

What do you see as you watch this video? Can you create a similar video for the number 12?

If the World Were a Village

Age 5 to 11

Challenge Level Yellow star

This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?

Seeing Parallelograms

Age 7 to 11

Challenge Level Yellow star

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.

Open Boxes

Age 7 to 11

Challenge Level Yellow star

Can you work out how many cubes were used to make this open box? What size of open box could you make if you had 112 cubes?

Seeing Rhombuses

Age 7 to 11

Challenge Level Yellow star

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.

Two Clocks

Age 7 to 11

Challenge Level Yellow star

These clocks have only one hand, but can you work out what time they are showing from the information?

Dice in a Corner

Age 7 to 11

Challenge Level Yellow star

How could you arrange at least two dice in a stack so that the total of the visible spots is 18?