P6 Math: Different Percentage Discounts causing Different items to be Same Price

2 different items for sale at different discount percentages but has the same price after their respective discounts.

Such questions are common in Paper 2 of P6 Prelims and PSLE papers.
Calculator usage is allowed.

A pen was for sale at a 15% discount and a vase was selling at a 20% discount.
Both items were sold at the same price after the discount.

Lisa wanted to buy both discounted items but was short of $36.

If she only bought the pen at the discounted price, she'd have $100 left.

How much more will she need if she were to buy both items without discount?

An intricate antique Chinese vase

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P6 Math: Redistribution of same total to lesser parties with left over

The same total meant to be equally distributed, is now distributed to lesser parties, with each party getting sligjhtly more than before. There will also be some left over after the "re-distribution" due to lesser shares.

A relatively similar question can also be found here.

Such questions are common in P6 Paper 2.

Calculator usage is allowed.

Miss Tan have 560 sweets to give to her class of 35 students.

Each student was supposed to get the same number of sweets.

Because some students were absent that day,

Miss Tan had 38 sweets left after distributing 2 more sweets
to all whom were present.

How many of her students were present that day?

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P4 Math: Excess and Shortage

The question type below introduces the concept of Excess and Shortage.

Such questions often appear in P4 exam papers in Section C.

Mr Bala have a sum of money to buy cupcakes. If he buys 3 cupcakes, he will have a change of $13. If he buys 8 cupcakes instead, he will be short of $12.

How much did Mr Bala have at first?

The difference between cupcakes and muffins is the toppings!

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P5/P6 Math : Sharing the Shortage/Excess

The question type below is about evenly distributed items in multiple containers.

When some of the containers were removed, the items will be redistributed evenly into the remaining containers.

Such questions often appear in paper 2 for P5 after SA2 
and also for P6 mid year and prelim.

Calculator usage is allowed.

In a hall, chairs were arranged into 18 equal rows.
3 rows of chairs were removed and
these chairs were arranged equally into the remaining rows.
Each of the remaining row now has 12 more chairs.
How many chairs were there in the hall?

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P5/P6 Math : Excess and Shortage (Multiples)

This question type deals with excess and shortage with multiples.
Very commonly seen in P5 SA2 and P6 exams.

Such questions can appear in Paper 2.
If so, calculator usage is allowed.

There are some cups and tables in a restaurant.

If each table is placed with 8 cups,

there will be 3 cups remaining that is not placed on any table.

If each table is placed with 10 cups,

there will be a shortage of 7 cups.

a) How many tables were there?

b) How many cups were there?

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P5/P6 Math: Excess and Shortage (Advanced)

This question type deals with "excess and shortage" and is commonly seen in P5 SA2 and P6 exams.

Such questions will appear in Paper 2.
Calculator usage is allowed.

Mdm Lim had some rice at first.
She used exactly 3.72kg of her rice  
to make 16 big dumplings and 7 small dumplings.

With the remaining rice that she has,
she needs 47g more to make a big dumpling.

If she used the remaining rice to make a small dumpling,
she would have 59g of rice left.

How much rice is needed to make a big dumpling?

(Give your answer in grams)

History of the Dumpling Festival of China

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