Questions

From Worst to Best

21 P6.PC.TL.16010146

Level 3
Wendy has a bag containing some violet and blue lollipops. If she adds in 15 violet lollipops, 25% of the lollipops in the bag are blue. If she adds in another 25 blue lollipops, 40% of the lollipops in the bag are blue. How many violet lollipops are in the bag?

3 m

Video Attempt

22 P6.RD.TL.16010171

Level 3
Three women, Mrs Zhang, Mrs Lin and Mrs Yap went on a shopping spree. 30% of Mrs Zhang's spending is equal to ¹₅ of Mrs Lin's spending. Mrs Yap's spending is 40% more than Mrs Lin's. If Mrs Lin spends another $804, she will spend the same amount of money as Mrs Yap.

Find the ratio of Mrs Zhang's spending to Mrs Lin's to Mrs Yap's.
How much did Mrs Zhang spend?

4 m

Video Attempt

Fraction to units Finding ratio R Simplest form Percent to units Percent of different bases More than or less than Equal stage after Repeated identity Common numerator Units table

23 P6.RD.JC.16010136

Level 3
Tank E contained 4 times as many guppies as Tank F. When 10% of the guppies in Tank E and 10% of the guppies in Tank F were transferred to Tank G, Tank G had 120 guppies, which was 20% more guppies than before. How many less guppies were there in Tank F than Tank E in the end?

4 m

Attempt

Percent to units Percent of different bases More than or less than Times as many Branching Internal transfer Unchanged total All change Units table Decimal units

24 P6.PC.TL.16010129

Level 3
Ken has 30% more stamps than Vincent. Tim has 80% the number of stamps Ken has.

What is the ratio of the number of Vincent's stamps to the number of Tim's stamps?
If the total number of stamps of Ken's and Tim's is 150 more than Vincent's, how many stamps does Ken have?

4 m

Attempt

Percent to units Percent of different bases More than or less than Repeated identity Units table

25 P6.PC.TL.16010143

Level 3
The auditorium had 1050 seats. There were 25% fewer $40-seats than $5-seats. 50% of the $5-seats and some $40-seats were sold. A total of $16180 was collected. How many seats were unsold?

4 m

Video Attempt

Percent to units Percent of different bases Money More than and less than Number x value All change Units table

26 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

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.PC.TL.16010116

Level 3
Eva's salary is 30% more than Betty's salary. When their salaries are increased by 60%, their combined salaries will be $11040. How much was Eva's salary before the increase?

4 m

Attempt

Percent change by Percent to units Percent of different bases More than or less than All change Units table Decimal Units

29 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

30 P6.PC.TL.16010117

Level 3
A basket contained violet and purple buttons. There were 60% more violet buttons than purple buttons. When 248 more buttons were poured into the basket, the amount of violet buttons increased by 40% and the amount of purple buttons grew by 60%. How many buttons were in the basket at first?

4 m

Attempt