Nix the tricks

The book ‘Nix the Tricks’ looks at tricks and short cuts used in maths, explains why they are so damaging, and then provides an alternative method that teaches for understanding. If you cringe when a student says ‘cross multiply’ whenever they see a problem involving fractions, then this is the book for you.

The resources are focussed on critical thinking, justification and using tools of past experiences to solve new problems. There is an underlying theme that by teaching for understanding students will retain more and be better equipped for tackling later topics. 

The book has been developed by Tina Cardone, a Public High School Mathematics teacher in Massachusetts, with the active involvement of the online mathematics community.

The main audience for the resource is teachers of Key Stage 3 but there is much that will also be of use in each of the other Key Stages. 

The book is available in its entirety and also for convenience divided into chapters.

 

Resources

Nix the tricks: full book

The book ‘Nix the Tricks’ looks at tricks and short cuts used in maths, explains why they are so damaging, and then provides an alternative method that teaches for understanding. If you cringe when a student says ‘cross multiply’ whenever they see a problem involving fractions, then this is the book for you.The...
Publication date:
2010 to date

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Nix the tricks: preface and introduction

The preface describes the chain of events that led to the creation of the ‘Nix the Tricks’ project. The book has been developed by Tina Cardone, a Public High School Mathematics teacher in Massachusetts, with the active involvement of the online mathematics community. A list of teachers involved with the project is...
Publication date:
2010 to date

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Nix the tricks: operations

This chapter from the book ‘Nix the Tricks’ by Tina Cardone looks at tricks and short cuts used in the teaching of operations, explains why they are so damaging, and then provides an alternative method that teaches for understanding.Topics in this chapter include; using correct terminology for worded problems,...
Publication date:
2010 to date

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Nix the tricks: proportional reasoning

This chapter from the book ‘Nix the Tricks’ by Tina Cardone looks at tricks and short cuts used in the teaching of proportional reasoning, explains why they are so damaging, and then provides an alternative method that teaches for understanding.Topics in this chapter include; adding fractions with different...
Publication date:
2010 to date

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