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Activities on the Gattegno chart
In this article, Alf outlines six activities using the Gattegno chart, which help to develop understanding of place value, multiplication and division.
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Favourite
How Many?
5 to 11
Have a look at these photos of different fruit. How many do you see? How did you count?
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Favourite
The Tall Tower
5 to 7
As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?
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Take a ... Geoboard
This article for teachers explains why geoboards are such an invaluable resource and introduces several tasks which make use of them.
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Supporting Students to Work Collaboratively
This page, and the accompanying webinar recording, suggests ways in which teachers can help students to work more collaboratively.
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Parent and Carer Guide
This page is a place to help parents and carers to find NRICH content that might interest them and their children.
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General Ideas for Lessons and Learning
Introducing and developing STEM teaching in the classroom.
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Favourite
What Could It Be?
5 to 7
In this calculation, the box represents a missing digit. What could the digit be? What would the solution be in each case?
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Clock Arithmetic
11 to 18
What happens if we change the rules and make the usual straight number line into a circle?
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Favourite
Fitted
7 to 11
Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?