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Star Polygons
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Star Polygons

11 to 14
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Draw some stars and measure the angles at their points. Can you find and prove a result about their sum?

Rhombus It
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Rhombus It

11 to 16
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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.

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Ladybirds in the Garden

5 to 7
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In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?

Maths and Creativity in Bristol
article

Maths and Creativity in Bristol

5 to 11

This article for teachers describes NRICH's work from 2010 to 2011 with Creative Partnerships and three Bristol primary schools.

Probably a code?
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Probably a Code?

16 to 18
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Is the regularity shown in this encoded message noise or structure?

Optimising input - Maximising output
article

Optimising Input - Maximising Output

11 to 18
A group of teachers involved in embedding NRICH tasks into their everyday practice decided they needed to address the (im)balance between teacher and student activity in their classrooms. In this article they share the issues they identified and what they have been doing to address them.
Using non-standard problems to challenge pre-conceptions
article

Using Non-Standard Problems to Challenge Pre-Conceptions

This paper explores the value of using problems as a way of challenging children’s mathematical pre-conceptions and problems' potential for extending their knowledge and understanding. It considers some non-standard problems taken from the NRICH website and examines them in the light of children's solutions and what children have said, or implied, about their thinking.
Meaningful Maths Trails
article

Meaningful Maths Trails

5 to 11
Avril Crack describes how she went about planning and setting up a Maths trail for pupils in Bedfordshire.
Advanced Scientific Mathematics
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Advanced Scientific Mathematics

This is the section of stemNRICH devoted to the advanced applied mathematics underlying the study of the sciences at higher levels
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