Jaynus Yeoh's answer to Gojshaan's Primary 5 Maths Whole Numbers Singapore question.
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From the start, compare the statements with the same subject. Minus the two statements and the common subjects will be minused away, leaving with the difference of the 2 subjects.
Example: Eng + Math =71
Math + Sci = 75
The subject common here is Math. So 75-71= Sci -Eng (4)
Do the same for the others.
Combine all the differences into a diagram.
Example: Eng + Math =71
Math + Sci = 75
The subject common here is Math. So 75-71= Sci -Eng (4)
Do the same for the others.
Combine all the differences into a diagram.
Date Posted:
5 years ago
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