Questions

From Best to Worst

26 P6.RD.TL.16010138

Level 3
¹₅ of the guests at a stadium were women. 80% of the remaining guests were men and the rest were children. The number of men was 476 more than the total number of women and children. After some men left the stadium, 20% of the guests that remained were men. How many men left the stadium?

4 m

Attempt

Fraction to units Percent to units Percent of different bases More than or less than Remainder concept All change Units table Units manipulation Units & parts Substitution

27 P6.PC.TL.16010110

Level 3
25% of the people are performers for a concert and the rest are spectators. 60% of the spectators are adults and there are 420 less child spectators than adult spectators. How many adult spectators must join so that 56% of the people are adult spectators?

4 m

Attempt

Percent of a set Percent to units Percent of different bases More than or less than Remainder concept Combined repeated identity Unchanged quantity Units table Units manipulation

28 P6.DA.JC.15051410

Level 3 PSLE
A company offered 120 radios at 20% discount during a 7-day sale. The line graph shows the number of radios left unsold at the end of each day.

On which day was the most number of radios sold? Give your answer in number. (Eg 1)
What percentage of the 120 radios were sold in the first five days of the sale?
During the sale, the discounted price of the radios was $60. After the sale, the remaining radios were sold without discount. What was the total amount of money collected from selling all 120 radios?

4 m

Attempt

Line graph Min-max Finding percent Percent of a set Discount Remainder concept Model Part-whole

29 P6.RA.TL.16010147

Level 3
There were some grapefruits and durians in Container A and Container B. In Container A, the ratio of the grapefruits to the number of durians was 3 : 1. In Container B, the ratio of the number of grapefruits to the number of durians was 3 : 2. There were 2 times as many fruits in Container A as in Container B. After 56 durians were put into Container B, the ratio of the number of grapefruits to the number of durians in Container B became 1 : 2. How many fruits were there in Container A?

5 m

Video Attempt

Ratio to units Times as many Remainder concept Combined repeated identity Unchanged quantity Units table Units manipulation

30 P6.FR.JC.19082905

Level 3
Bryan had some stickers. He gave ¹₅ of his stickers to John and bought 4 new stickers. After that, he gave ¹₃ of his remaining stickers to his brother and bought another 7 new stickers. In the end, Bryan had 55 stickers.