The Concrete, Pictorial, Abstract (CPA) is a highly effective approach to teaching aimed at developing a comprehensive and lifelong understanding of math in learners. 

Often referred to as the concrete, representational (through pictures), abstract framework, CPA was developed by American psychologist Jerome Bruner. It is an essential technique within the Singapore method of teaching maths for mastery.

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Some other components of Singapore Math include 

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Number Bonds 

A pictorial technique that shows part-whole relationship between numbers 

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Bar Models

An easy to depict tool that helps students to visualize a range of math concepts, such as fractions, ratios, percentages, and more.

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Mental Math 

The Singapore Math approach teaches techniques and skills to easily and accurately perform mental math

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