Questions

From Best to Worst

251 P5.RD.JC.17083142

Level 3
Last year, there were 48 members in a school music club. The number of girls was ³₅ the number of boys.

What percentage of the members were girls last year?
This year, 4 boys left the club and 6 girls joined the club. What percentage of the members are girls this year?

4 m

Attempt

Finding percent Percent of a set Fraction to percent Fraction to units Times as many All change Units table

252 P5.ST.JC.18121137

Level 1
Adam earns a commission of 10% on the cars he sells.
If the selling price of the car is $100000,
how much is his commission?

2 m

Attempt

Percent of a whole Units method

253 P5.FR.JM.17101712

Level 2
Hock Ming spent ³₇ of his money on a book and ¹₄ of the remainder on a CD. He had $45 left. How much money did he have at first?

2 m

Attempt

Fraction of a set F Addition & subtraction Money Remainder concept Branching Units method

254 P5.ST.JC.18121138

Level 2
Adam earns a commission of 10% on the cars he sells.
If he earns $10000 as commission by selling one car,
how much is the car?

2 m

Attempt

Percent of a whole Units method

255 P5.FR.JM.17083029

Level 2
¹₂ of Sammie's age is equal to ¹₅ of Tommy's age. If their total age is 84 years, how old is Tommy?

2 m

Attempt

Common numerator Units method

256 P5.ST.JC.18121139

Level 3
Adam earns commission by selling cars.
He receives a commission of 10% on the first $10000 in a month.
For additional sales, he will get a 5% commission.
How much will he earn in commission if his total sales is $50000?

2 m

Attempt

Percent of a whole Units method

257 P5.FR.JM.17083026

Level 2
Will and Lina share some marbles. ²₃ of Will's marbles is equal to ²₅ of Lina's marbles. Given that Lina has 14 marbles more than Will, how many marbles do they have altogether?

2 m

Attempt

Common numerator More than or less than Units method

258 P5.ST.JC.18121140

Level 3
Adam earns commission by selling cars.
He receives a commission of 10% on the first $10000 in a month.
For additional sales, he will get a 5% commission.
If he earns $14500, what is his total sales in that month?

2 m

Attempt

Percent of a whole Units method

259 P5.AP.NK.23041223

Level 2
The figure is made up of three triangles, ABC, XYZ and DEF not drawn to scale. The area of triangle XYZ is six times the area of triangle ABC. The area of triangle ABC is ¹₃ of triangle DEF. The area of triangle ABC is 12 cm². What is the total area of the shaded parts?

2 m

Attempt

Triangle Composite figure area Overlapping area Fraction to units Repeated identity Units method

260 P5.ST.JC.18121145

Level 1
Adam wants to buy a TV set. The usual price of the TV set is $1000.
As a privileged card member, he is entitled to a membership discount of 10%.