Helping Students with PSLE Mathematics - NIE Mathematics ...
Helping Students with PSLE Mathematics - NIE Mathematics ...
Helping Students with PSLE Mathematics - NIE Mathematics ...
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1 + 2 + 3 + 4 + 5 + … + 95 + 96 + 97<br />
The first 97 whole numbers are added up.<br />
What is the ones digit in the total?<br />
The method is difficult to communicate in<br />
written form. Hence, the problem is<br />
presented in the MCQ format where credit is<br />
not given for written method.