goodsamathritan's answer to Yeo's Primary 6 Maths Singapore question.

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goodsamathritan
Goodsamathritan's answer
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Yeo
Yeo
3 years ago
Thanks a lot
Now I understand the thrice cannot be considered as 3p vs 1p
goodsamathritan
Goodsamathritan
3 years ago
happy that you got it. it’s okay to use two unknowns (units and parts) and solve simultaneously; I just don’t assume all students are comfortable with that and stick to one unknown, one variable.