Phyllis Gan's answer to Jan Chong's Primary 5 Maths question.
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Model method is possible.
First: draw '36 more ducks than chickens'
Next: You'll have to assume the number of units in the equal portion. That number must be the LCM of the denominators.
Note down the changes, and redraw your model on the right. Then make use of the info given and fill in the 45.
First: draw '36 more ducks than chickens'
Next: You'll have to assume the number of units in the equal portion. That number must be the LCM of the denominators.
Note down the changes, and redraw your model on the right. Then make use of the info given and fill in the 45.
Date Posted:
7 years ago
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