To celebrate NRICH's 20th birthday we have selected some 'hidden gems' to share with you.
We have chosen some tasks which you may not have come across before, perhaps because they are not so closely linked to the curriculum, perhaps because they have not been featured recently on the website or perhaps because they are relatively new. However, all of them are rich mathematical activities which will intrigue your learners and encourage them to think mathematically. To find out more about the reasons for selecting each one, take a look at the article below.
We hope you enjoy exploring.
We have chosen some tasks which you may not have come across before, perhaps because they are not so closely linked to the curriculum, perhaps because they have not been featured recently on the website or perhaps because they are relatively new. However, all of them are rich mathematical activities which will intrigue your learners and encourage them to think mathematically. To find out more about the reasons for selecting each one, take a look at the article below.
We hope you enjoy exploring.
article
Hidden gems: tasks to celebrate our 20th birthday
This article for primary teachers outlines the reasons for us selecting the tasks in our Hidden Gems Feature.
problem
That number square
Age
5 to 11
Challenge level
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
problem
Always, sometimes or never? KS1
Age
5 to 7
Challenge level
Are these statements relating to calculation and properties of shapes always true, sometimes true or never true?
problem
Animated triangles
Age
5 to 7
Challenge level
Watch this "Notes on a Triangle" film. Can you recreate parts of the film using cut-out triangles?
problem
Up and down staircases
Age
7 to 11
Challenge level
One block is needed to make an up-and-down staircase, with one step up and one step down. How many blocks would be needed to build an up-and-down staircase with 5 steps up and 5 steps down?
problem
Always, sometimes or never? Shape
Age
7 to 11
Challenge level
Are these statements always true, sometimes true or never true?
problem
Method in multiplying madness?
Age
7 to 14
Challenge level
Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?
problem
Ice cream
Age
7 to 11
Challenge level
In the café, your ice cream selection can't include a combination that someone else has chosen. What could these seven children have chosen?