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 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

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