Thursday 21 July 2016

RAPA CODA NUMBO

RAPA CODA NUMBO is a pneumonic we use in school to aid mental calculations in maths:

PA - PArtitioning 

 RA - Round and Adjust

CO - COunt On




DA - Double and Adjust
DA
For example: 29 + 29 (Calculate 30 + 30 and subtract 2)
                      201 x2 (Calculate 200 + 200 and add 2)


NUMBO - Number Bonds


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