Questions

From Worst to Best

51 P5.ST.JC.18121177

Level 3
In a school, there is a total of 400 people.
30% are adults.
The rest are children.
The number of boys and girls is in the ratio of 2 : 5.

What percentage of the people are boys?
How many girls are there?

3 m

Attempt

Ratio to units Finding percent Percent of a set Percent to units Combined repeated identity Remainder concept Units table

52 P5.ST.JC.18160201

Level 3
In a school, there is a total of 400 people.
30% are adults.
The rest are children.
The number of boys and girls is in the ratio of 5 : 9.

What percentage of the people are boys?
How many girls are there?

3 m

Attempt

Ratio to units Finding percent Percent of a set Percent to units Combined repeated identity Remainder concept Units table Units manipulation

53 P5.FR.JM.17083090

Level 2
The figure is made up of a square and a rectangle. The area of the square is ¹₃ the area of the rectangle. Given that ¹₂ of the square is shaded, what fraction of the whole figure is unshaded?

3 m

Video Attempt

Fraction of a whole Fraction to units Area perimeter Overlapping area Combined repeated identity Units table

54 P5.DA.JM.17083145

Level 3
Linda and Melody's total mass is 51 kg. Melody and Nicole's total mass is 81 kg. Nicole is three times as heavy as Linda. What is the average mass of the three friends?

3 m

Attempt

Average Mass Times as many Repeated identity

55 P5.FR.NK.23021714

Level 3
There were some cars, vans and buses. ²₃ of the total vehicles were cars and vans. There were 16 buses and thrice as many cars as vans. How many more cars than vans were there?

3 m

Attempt

Fraction to units Times as many More than or less than Combined repeated identity Units table

56 P5.RD.JM.17083365

Level 3
Minzy bought some pouches and bags for her friends. The price of each pouch was $2.40 while the price of each bag was $10.80. For every 4 bags bought, she was given one such pouch for free. After receiving the free pouches, the number of pouches was ¹₃ of the number of bags bought. If Minzy paid a total of $1584, how much more did she pay for the bags than the pouches?

5 m

Attempt

Fraction to units D 4 operations Money Repeated identity Number x value Units table

57 P5.RD.JM.17083264

Level 3
Evelyn bought 50% more hair clips than Linda. Tammy bought 10% fewer hair clips than Evelyn. Evelyn and Linda gave Tammy some hair clips in the ratio 7 : 2. As a result, Tammy had twice as much hair clips as before. Given that Linda had 15 more hair clips than Evelyn in the end, how much hair clips did Evelyn give to Tammy?

5 m

Attempt

Ratio to units Percent to units Percent of different bases More than or less than Times as many Repeated identity Internal transfer Units table

58 P5.RD.JM.17083192

Level 3
A shop owner had three boxes, containing a total of 1500 plastic cups. The number of plastic cups in Box A to the total number of plastic cups was 3 : 10. He sold 330 plastic cups from Box B and sold ¹₃ of the plastic cups in Box C. The number of plastic cups left in Box B to the number of plastic cups left in Box C was 3 : 1. How many plastic cups were there in Box B at first?

5 m

Attempt

Fraction of a set Ratio to units Repeated identity All change Units table Units & parts Elimination

59 P5.DA.NK.23081001

Level 3
The total number of fish fingers produced by Machine B and Machine C was 332. The total number of fish fingers produced by Machine B and Machine D was 327. The total number of fish fingers produced by Machine C and Machine D was 367. Find the average number of fish fingers produced by 3 machines.

3 m

Attempt

Average Repeated identity Units & parts & boxes

60 P5.AP.JM.17083139

Level 3
The figure, not drawn to scale, is made up of 2 triangles, AGH and EGH. AB is ¹₂ of EF. CD is ²₃ of AB and the difference between EF and CD is 12 cm. Given that HG = 10 cm, find the area of the entire figure.