Questions

From Best to Worst

26 P6.PC.JC.18010809

Level 3 PSLE
At first, Leah had a total of 66 blue and purple balloons. 17 purple balloons burst. She then increased the number of blue balloons by 75%. After that, Leah had a total of 79 balloons. How many purple balloons did she have at first?

3 m

Video Attempt

27 P6.RD.JC.19082902

Level 3
Fabian, Gilbert and Henry had some marbles in the ratio of 2 : 3 : 5. Henry gave 40% of his marbles to Fabian and Gilbert. As a result, Fabian had the same number of marbles as Gilbert and Henry had 36 fewer marbles than Fabian.

What was the percentage increase in Fabian's marbles after receiving from Henry?
How many marbles did Gilbert have at first?

4 m

Video Attempt

Ratio to units Percent of a set Percent change by More than or less than Equal stage after Internal transfer Units table Decimal units

28 P6.RD.JC.19082904

Level 3
Andy, Bob and Charles collected game cards in the ratio of 7 : 4 : 9. After Charles gave ³₁₀ to Andy and Bob, Charles had 60 less game cards than Andy. The number of game cards that Ben had increased by 35%. How many game cards did Andy and Charles have?

4 m

Video Attempt

Fraction of a set Ratio to units Percent to units Percent change by More than or less than Internal transfer Units table Decimal units

29 P6.PC.JC.23100214

Level 2 PSLE
Carl had a collection of rulers, pens and markers. He had 85 rulers. 30% of his collection was pens. He had 51 fewer pens than markers.

How many pens did Carl have?
Carl gave away some pens. His total collection decreased by 20%. What percentage of his collection was pens after that?

4 m

Attempt

Percent of a set Percent change by More than or less than Units method

30 P6.PC.TL.16010119

Level 3
One minute ago, 80% of the students in a parade square were girls. 143 more students entered the parade square. As a result, the number of girls increased by 40% and the number of boys increased by 60%. How many students are in the parade square now?

4 m

Attempt

Percent of a set Percent change by Percent to units Percent of different bases All change Units table

5 per page

10 per page

20 per page