11 P6.ST.JC.18121420
Level 3
Fill in the blanks.
Number of boys at first is 30% of the children.
Number of boys is then increased to 40%.

  1. Number of boys at first = _____ u
  2. Number of boys in the end = _____ u
  3. Increase in the number of boys = _____ u
  4. Number of children in the end = _____ u
4 m
Percent to units Percent change to Unchanged quantity Units table
12 P6.RA.TL.16010102
Level 2
The ratio of coconuts to mangosteens is 2 : 7. If 348 mangosteens are added, the ratio of coconuts to mangosteens will be 2 : 11. How many more mangosteens than coconuts are there in the end?
2 m
Ratio to units More than or less than Unchanged quantity Units table
13 P6.ST.JC.18121421
Level 3
Fill in the blanks.
Number of boys at first is 40% of the children.
Number of boys is then decreased to 30%.

  1. Number of boys at first = _____ u
  2. Number of boys in the end = _____ u
  3. Decrease in the number of boys = _____ u
  4. Number of children in the end = _____ u
4 m
Percent to units Percent change to Unchanged quantity Units table
14 P6.RA.JC.17050710
Level 2
Sofie and Thora shared a sum of money in the ratio 2 : 5. After Sofie spent $45, the ratio became 1 : 3. How much money did Thora have?
2 m
Ratio to units Unchanged quantity Units table
15 P6.RA.NK.21060203
Level 1 PSLE
The ratio of the number of vests to that of skirts in a shopping centre was 3 : 2 at first. After 30 skirts were sold, the ratio of the number of vests to that of skirts became 4 : 1. What was the total number of vests and skirts in the shopping centre at first?
2 m
Ratio to units Unchanged quantity Units table
16 P6.RD.TL.16010107
Level 3
At a stall, the ratio of watermelons to coconuts was 8 : 13. After Kate bought two-thirds of the coconuts, there was a total of 111 watermelons and coconuts left at the stall. How many fruits were there at first?
3 m
Fraction to units Ratio to units Unchanged quantity Units table Units manipulation
17 P6.RD.TL.16010108
Level 3
The amount of Isabelle's salary to Sarah's salary is 2 : 9. If Isabelle spends 35 of her salary, she will have $902 less than Sarah. How much salary does Sarah have?
3 m
Fraction to units Ratio to units Money More than or less than Unchanged quantity Units table Units manipulation
18 P6.FR.JC.22100303
TRY FOR FREE
Level 3 PSLE
At first, a bag contained 9 green beads and some black beads. After some green beads were added, 25 of the beads were black . After 56 red beads were added to the bag and now, 29 of the beads were black. What was the number of green beads added?
2 m
Attempt
Fraction to units Unchanged quantity Units table
19 P6.FR.TL.16010102
Level 2
Vincent had 710 as many stamps as Isabelle. After Vincent bought another 30 stamps, he had 15 less stamps than Isabelle. How many stamps did Vincent have at first?
2 m
Fraction to units More than or less than Unchanged quantity Model & units table
20 P6.PC.TL.16010103
Level 3
Some adult passengers are on a coach. If 25 tourists alight from the coach, the percentage of locals will increase from 15% to 40%. How many passengers are there in the coach?
3 m
Percent change to Percent to units Percent of different bases Unchanged quantity Units table

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