Working on these problems will help your students develop a better understanding of perimeter, area and volume. The scale on a piano does something clever: It is accessible but needs some careful analysis of what is included and what is not. Advent Calendar – Secondary Age 11 to 18 A mathematical challenge for each day during the run-up to Christmas. These lower primary tasks could all be tackled using a trial and improvement approach. Age 5 to 18 Here we describe the essence of a ‘rich’ mathematical task. By identifying which of the six cards contains the number they are thinking of it is easy to tell them what the number is.

To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. Solve the equations to identify the clue numbers in this Sudoku problem. Carbon Footprints Age 14 to 16 Challenge Level: The scale on a piano does something clever: Chances Are Age 14 to 16 Challenge Level: In this article, he writes about his experiences of working with students at Key. Nicely Similar Age 14 to 16 Challenge Level:

Can you explain the surprising results Jo found when she calculated the difference between square numbers? Surprising Transformations Age 14 to 16 Challenge Level: Creativity in the mathematics classroom is not just about what pupils do but also what we do as teachers.

# Short problems for Starters, Homework and Assessment :

This feature is somewhat larger than our usual features, but that is because it is packed with resources to help you develop a problem-solving silving to the teaching and learning of mathematics. Have a play and see how many scrambles you can undo! In a Box Age 14 to 16 Challenge Level: Age 14 to 16 Challenge Level: In the second article, Jennie offers you practical ways to investigate aspects of your classroom culture and in the third article, she suggests three ways in which we can support children in becoming competent problem solvers.

Age 11 to 16 Challenge Level: Outline programme – participants attend both days Day 1 25 June: Pieces of the Puzzle Approach Age 5 to 16 The content of this article is largely drawn from an Australian publication by Peter Gould that has sklving a source of many successful mathematics lessons for both problrm and student-teachers.

Resources from the one day conference held at CMS in December This is our collection of favourite mathematics and sport materials.

Compare Areas Age 14 to 16 Challenge Level: Charlie chooses three of them that add together to make a multiple of three. Remove Filters Filter by resource type problems articles general resources projects Lists. In this article, he writes about his experiences of working with students at Key.

Dotty Grids in the Classroom Age nrch to 18 This article suggests ways in which a dotty grid can be used in the classroom as an environment for rich exploration. Collections for Secondary students.

Secondary Interactive Resources Age 11 to 18 Games and computer room activities suitable for secondary school students.

Rachel’s Problem Age 14 to 16 Challenge Level: Ideas for the Secondary Classroom Age 11 to 18 Articles about mathematics which can help to invigorate your classroom. Engaging Students, Developing Confidence, Promoting Independence Age 5 to 18 Ideas to support mathematics teachers who are committed to nurturing confident, resourceful and enthusiastic learners.

In this article for teachers, Lynne explains why it should be. This is an interactive net of a Rubik’s cube.

## NRICH Starter Problem Selection

Analysing Alternative Approaches Age 5 to 18 In this article, Malcolm Swan describes a teaching approach designed to improve the quality of students’ reasoning. Can you create a trapezium where three of those parts are equal in area? Work with numbers big and small to estimate and calculate various quantities in physical contexts. Register for our mailing sk4. Understanding Hypotheses Age 14 to 18 This article explores the process of making and testing hypotheses.

Secondary Sport Collection Age 11 to 18 This is our secondary collection of favourite mathematics and sport materials.

# NRICH Starter Problem Selection :

Codes and Inverses Age 11 to 18 Codebreaking as a hook to help develop mathematical skills. Headlines sometimes distort the truth. Working Systematically Age 11 to 16 Challenge Level: Caroline and James pick sets of five numbers.

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