P5 Math: Uneven Ratio becomes Equal after Both Decrease

This question provides the ratio of 2 items at first.
After both undergo different decrease in value, both ends up being equal with one another.

Such questions are common in WA2(mid year) for P5.

Calculator usage may be allowed.

A similar but "inverted" version of this question can also be found "here".

Alan and Rick each have pencils in the ratio of 5:8.

After Alan gave away 32 pencils and Rick sold 77 pencils.

They have equal number of pencils remaining.

How many pencils did Rick have at the end?

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P6 Math: Circles (Revolutions) and Distance between 2 Walls

The "Circle" question type below deals with Circumference ( revolutions ) and requires students to understand the relationship between the distance between the 2 walls and the number of revolutions that the "round object" has to make.

Such questions are common in Paper 2 of P6 exams.

Calculator usage is accepted.

The question below will randomize with different numbers every hour. 

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P4 Math: 3 parties with 2 pairs of Comparison Sentences using Multiples

Usually there will be 3 values in this question type.

2 comparison sentences to describe 2 pairs of values using multiples.

Such questions are common in Section C of P4 tests and exams(WA1/CA1).

Reena has twice as many plates than bowls in her kitchen.

She has thrice as many forks than plates.

She has a total of 135 forks, plates and bowls.

How many forks does she have in her kitchen?

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P4/P5 Math: Starting Multiples and Ending Multiples After Equal Decrease in Value

"Before and After Comparison Models" are staple for P3 to P6 Math.

The folowing question type presents one party to be a multiple of another at first.

After both undergo an equal decrease in value, the ending comparison is another multiple of one another.

Such questions are common in P4 Section C and P5 Paper 1.

Calculator usage is not allowed.

Kenneth has thrice as many baseball caps as Hiroshi at first.

After each gave away 45 caps,
Kenneth still has 8 times as many baseball caps as Hiroshi.

How many caps did both have altogether at first?

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P5/P6 Math: Starting Total and Ending Ratio (Basic)

The question type below provides the student with the starting total between 2 parties and the ending ratio after each of them undergo some changes. One of the value will undergo a fractional decrease and the other will have some value added or subtracted.

Students will need to "start from the end" in order to solve. (aka working backwards)

Such questions are common in Paper 2 of P5 and P6 papers.

Calculator usage is allowed.

Similar questions of this type can also be found here.

Moorthi and Devi have a total of 1093 invitation cards to send out.

After Moorthi sent out ¹/₃ of his cards and Devi sent out 444 cards of her cards,

the ratio of Moorthi's to Devi's remaining cards was 4:5.

a) How many cards did Moorthi sent out?

b) How many cards did they have left altogether at the end?

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The question below will randomize with different numbers every hour. 

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P5/P6 Math: Exchange until One Party becomes Zero

This question type requires students to work backwards to derive the initial number of both items at first.

A total of 2 different items are presented at first.

One of the items will be replaced with a multiple of the other item.

This is repeated until all of the items are now the same type.

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

Calculator usage is not allowed.

Danielle has a total of 48 erasers and pens.

After trading each of her pen for 5 erasers,

she now has a total of 72 erasers after trading all her pens.

How many pens does she have at first?

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P6 Math: Average of 3 different numbers

With the average of a certain number of values, it is possible to find their total.

With a known value of two of the numbers, it is possible mathematically to find the third value of the group of 3.

This question type requires first for students to be able to find the total before using logic to deduce and calculate the largest possible value of the 3 numbers.
( while complying with the rules of all being different numbers,etc etc )

Such questions are common in Paper 1 of P6 exams.

Calculator usage is not allowed

The average of 3 different two digit numbers is 29.

What could be the value of the largest possible number?

(FYI, the answer is neither 29 nor 99)

Jim Carrey as the Riddler in Batman Forever (1995 movie)

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