81 P6.RD.TL.16010154
Level 3
Olivia has 60% as many erasers as Penny. Penny has 180% as many erasers as Kate. If Penny gives 30 erasers to Kate, both will then have an equal number of erasers. Find the average number of erasers the three of them have.
3 m
Percent to units Average Equal stage after Internal transfer Units table
82 P6.RD.TL.16010109
Level 3
Queenie and Violet collect pens. Queenie gave 50% of her pens to Violet and as a result, Violet's pens increased by 40%. If Queenie has 84 pens left, find the number of pens Violet must give to Queenie in the end so that they have equal number of pens.
3 m
Percent change by Percent to units Equal stage after Internal transfer Units table
83 P6.AN.NK.17051759
Level 2
In the figure, not drawn to scale, ABCD is a parallelogram. ∠CDE and ∠BAE are equal. Find ∠x.
2 m
Parallelogram Interior angles Equal stage
84 P4.DA.JM.17092707
Level 3
A fruit seller displayed the same amount of each type of fruits for sale every morning from Monday to Saturday in a week. She charted each type of fruits which were left unsold at the end of the week as shown in the graph.
  1. Which type of fruit was the most popular?
  2. If she had 720 fruits in the beginning of the week, how many fruits did she sell in the week?
3 m
Bar graph Min-max Time Equal stage before
85 P5.RD.JM.17083126
Level 3
At first, Beaker A and Beaker B contained 0.6 ℓ and 1.6 ℓ of water respectively. Some water from Beaker B was poured into Beaker A with no water spilling over. In the end, there was as much water in Beaker A as in Beaker B. How much water was poured from Beaker B to Beaker A?
3 m
D 4 operations Volume Equal stage after Internal transfer Unchanged total Units table
86 P4.DA.JM.17092718
Level 3
The table shows the number of pupils who wear glasses in three Primary 5 classes in a school.
  1. How many pupils in the three classes do not wear glasses?
  2. The total number of pupils who wear glasses is the same as the total number of pupils in Class 5C. How many pupils in Class 5A wear glasses?
3 m
Table Equal stage W Addition & subtraction
87 P5.DE.NK.22122322
Level 2
Seth paid $24 for an equal number of shirts and vests. Each vest cost $4.50. Each shirt cost $3 more than each vest. How many shirts did she buy?
2 m
D 4 operations Money Unit conversion More than or less than Equal stage Number x value Units table
88 P5.RD.JM.17083147
Level 3
Renee had $420 less than Tom. Tom spent 0.6 of his money and Renee spent 0.5 of her money. In the end, Tom and Renee had the same amount of money left. Find the amount of money Renee had at first.
3 m
Decimal to units Money More than or less than Equal stage after Common numerator All change Units table
89 P6.FR.JC.16010116
Level 2
Last week, Fred had a total of 334 yellow and red pens. Two weeks later, he sold 23 of all the yellow pens and 82 red pens. Now he has the same number of yellow and red pens. How many pens does he have in the end?
2 m
Fraction to units Equal stage after All change Units table
90 P5.RD.JM.17083143
Level 3
At a wedding function, the ratio of the number of men to the number of women was 13 : 5. If 35% of the women left, what percentage of the men must leave so that there will be an equal number of men and women remaining?
3 m
D division Ratio to units Percent of a set Equal stage after All change Units table Decimal units

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