Questions

From Worst to Best

121 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

122 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

123 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

124 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

125 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

126 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

127 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

128 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%.

How much is the discount?
How much does he pay for the TV set?

2 m

Attempt

Percent of a whole Discount Units method

129 P5.ST.JC.18121146

Level 2
Adam pays for a TV set at a discount of 10%.
Bryan pays for the same TV set at a discount of 30%.
Bryan pays $200 less than Adam.
What is the usual price of the TV set?

3 m

Attempt

Percent of a whole Discount More than or less than Units method

130 P5.ST.JC.18121147

Level 2
Adam pays $900 for a TV set at a discount of 10%.