P4 Math: One Party Unchanged ( Advanced )

2 parties "Before and After" comparison questions are staple section C questions in P4 exams.

The following question is a type of "One Party Changed" question.
Such questions are similar to the ones here.

But this version poses a slight challenge when students attempt to solve it via model drawing (comparison models).

Chris has 40 more erasers than Devi at first.

After Devi bought 4 more erasers,

Chris now has 5 times as many erasers as Devi.

How many erasers did Devi have 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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P5 Math: Ratio (Before and After) Fractional Change

Ratio is a concept taught in P5 and it closely resembles simplified fractions.

The following question type requires student to be able to perform fractional decrease to one of the ratio numbers.

Such questions are common in Paper 1 of P5 and P6 exam papers.

Calculator usage is not allowed.

Petrina has markers and files in the ratio of 2:3 respectively.

She gave away ¹/₃ of her markers.

What is the ratio of her remaining markers to files in the end?

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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P4 Math: Fraction of a number

Fractions in P4 can be expressed using models.
The practice question below aims to let students use part/whole models to solve "fraction" based questions.

Such questions will appear in Section B of P4 exam papers.

³/₄ of a number is 12.

What is the number? 

Paper shredded into small pieces of itself

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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