Search

problem

Favourite

Star polygons

11 to 14

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

problem

Nested surds

16 to 18

Can you find values that make these surd statements true?

problem

Favourite

Constructing triangles

11 to 14

Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?

article

On problems and problem solving - looking backward and forward

5 to 18

Jenny Piggott reflects on the event held to mark her retirement from the directorship of NRICH, but also on problem solving itself.

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.

article

What does it mean to "use the interactive whiteboard" in the daily numeracy lesson?

There have been a number of reports on the effectiveness of the use of the interactive whiteboard to motivate teachers and pupils and to give pace to lessons. However, there is little evidence to suggest that we all have the same image of how the whiteboard is being used in the context that gives rise to the evaluation. This article attempts to make explicit possible meanings of the phrase "using an interactive whiteboard" and to encourage further debate.

article

Interacting with the geometry of the circle

5 to 16

Jennifer Piggott and Charlie Gilderdale describe a free interactive circular geoboard environment that can lead learners to pose mathematical questions.