41 P6.PC.TL.16010106
Level 3
Kate and Yvonne collected stamps. Kate gave 30% of her stamps to Yvonne and as a result, Yvonne's stamps increased by 70%. If Kate had 294 stamps left, find the total number of stamps the two girls had at first.
3 m
Percent change by Percent to units Percent of different bases Internal transfer Units table Units manipulation
42 P6.PC.TL.16010108
Level 3
Ethan was fixing a jigsaw puzzle. On the second day, the number of pieces he fixed was 50% of the total number of pieces. After another two weeks, he fixed another 148 pieces and was left with 30% of the puzzle unfixed. How many pieces were left unfixed?
3 m
Percent to units Percent of different bases Internal transfer Unchanged total Units table
43 P5.WN.JC.21030501
Level 2
Philip has 12 bookmarks more than Susie. How many bookmarks must Susie get from Philip so that she has 20 bookmarks more than him?
2 m
Internal transfer More than or less than
44 P5.WN.NK.22122913
Level 2
Archie has thrice as many buttons as Flynn. How many buttons must Archie give Flynn so that each of them has 40 buttons?
2 m
Times as many Internal transfer Unchanged total Units table
45 P6.FR.JO.21042214
Level 3 PSLE
Rael, Sam and Fred had 180 stickers altogether. Rael gave 310 of his stickers to Sam and 15 of his stickers to Fred. After that, all three boys had the same number of stickers. What was the difference in the number of stickers between Sam and Fed at first?
3 m
Fraction of a set F Addition & subtraction Internal transfer unchanged total Equal stage after Units table
46 P5.ST.JC.18121156
Level 2
Adam and Bryan have 80 stickers.
Adam has 60% as many stickers as Bryan.
  1. How many stickers must Bryan give to Adam so that both will have the same number of stickers?
  2. How many stickers does each of them have in the end?
3 m
Percent to units Internal transfer Equal stage after Units table
47 P6.RD.TL.16010155
Level 3
Rael and Ethan had some coins in the ratio of 11 : 6. Ethan and Sean had some coins in the ratio of 2 : 1. Rael sold 112 coins to Sean and ended up with half the number of coins Ethan had. How many coins did Sean have in the end?
4 m
Fraction of a set Ratio to units Repeated identity Internal transfer Units table
48 P5.RD.JM.17083261
Level 3
Annie had 23 as many stamps as Becky. The sum of the number of stamps Annie and Becky had was the same as the number of stamps that Callie had. After trading, Callie gave 20% of her stamps to Annie and received 25% of Becky's stamps. If Becky wanted to increase her number of stamps in the end by 25%, find the ratio of her number of stamps to the sum of Annie's and Callie's stamps in the end.
4 m
Fraction to units Finding ratio Percent of a whole Percent change by Percent to units Percent of different bases Times as many Internal transfer
49 P5.RD.JM.17083148
Level 3
The ratio of the amount of money Anna had to the amount of money Belle had was 6 : 7. Anna then gave 56 of her money to Belle. In the end, Belle returned $66 to Anna and they both had the same amount of money. How much money did each girl have at the beginning?
  1. Anna
  2. Belle
4 m
Fraction of a whole Percent of a whole Percent to units Money Equal stage after Internal transfer Units table
50 P6.RD.JC.19082902
Level 3
Fabian, Gilbert and Henry had some marbles in the ratio of 2 : 3 : 5. Henry gave 40% of his marbles to Fabian and Gilbert. As a result, Fabian had the same number of marbles as Gilbert and Henry had 36 fewer marbles than Fabian.
  1. What was the percentage increase in Fabian's marbles after receiving from Henry?
  2. How many marbles did Gilbert have at first?
4 m
Ratio to units Percent of a set Percent change by More than or less than Equal stage after Internal transfer Units table Decimal units

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