The following question type introduces the concept of constant difference to the P3 and P4 students and requires students to be able to solve by means of model drawing.
Such is a question that requires "Before and After" model drawing methods to visualize the concept of "Constant Difference".
These questions will appear in Section C of P3 and P4 exam papers.
Eric and Brady have the same number of goldfish in their aquariums.
After Eric added 5 goldfish and
Brady added 15 goldfish in each of their aquariums,
Brady added 15 goldfish in each of their aquariums,
Brady now has twice as many goldfish as Eric.
How many goldfish did they have altogether at first?
If the above question is easy, try to do the more challenging question below.
The question below will randomize with different numbers every hour.
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