- Total value of 2 items
- Difference between 2 item's totals
- Unit Difference between 2 items
- Multiples of 1 item compared with another





The question type below provides the numerical quantity of 2 different items.
Each item has its own unique unit value but only the difference between each item's unit value is given.
The ratio of the total value between 2 items is also provided.
Such questions usually appear in Paper 2 of P6 Prelims or Mid-year papers.
Calculator usage is allowed.
How many diners can be seated in each big table?

If the above question is easy, try to do the more challenging question below.
This question type is made famous during the 2021's Math PSLE exams.
The "Helen and Ivan" question.
2 items of different quantities and value are split into 2 groups containing same number of items. The individual value difference a between 2 items and the total value of one of the group [ containing different quantities of 2 items ] are given.
This is a P6 PSLE Paper 2 question.
Calculator usage is allowed.
How much did Ivan spend on all his pencils and notepads?

Fraction problem sums are common in Section C of P3 and P4 exams.
A "fraction of the total" representing one item and another "fraction of the total" representing another item.
The third information given is usually the value of the first item, second item or the amount left.
A slightly more complex version of this question can be found here.
How many books does Bala have altogether?
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| A Stegosaurus from the Jurassic Period |
If the above question is easy, try to do the more challenging question below.
This question is a variation of a tough P5/P6 Paper 2 high value question.
(A slightly more complex version of this question can be found here. )
2 different item of different quantities and individual values.
Only 4 information/numbers are given,
Namely
1) Total value of both items
2) Ratio between the quantity of both items
3) Individual value difference between both items
4) Total value difference between both items
Calculator usage is allowed.
Catherine has a piggy bank
containing only 20-cent coins and 50-cent coins.
She has 7 more 50-cent coins than 20-cent coins in the piggy bank.
The total value of the 50-cent coins is $7.40
more than the total value of all her 20-cent coins.
How many 20-cent coins does she have in the piggy bank?
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| What is the mass of each different denomination of coins in Singapore? |

