11 P5.ST.JC.18121159
Level 3
Adam has some blue stickers and red stickers.
The number of blue stickers is increased by 20% to 60.
The number of red stickers is decreased by 30% to 70.
  1. How many stickers are there at first?
  2. How many stickers are there in the end?
3 m
Percent of a set Percent change by Percent of different bases All change Units method
12 P5.ST.JC.18121160
Level 3
If Adam's income is increased by 50% and
Bryan's amount is decreased by 30%,
both will get $2100 each.
  1. How much is Adam's income?
  2. How much is Bryan's income?
  3. What is the difference between Adam's income and Bryan's income?
3 m
Percent of a set Percent change by Percent of different bases Equal stage after All change Units method
13 P5.ST.JC.18121161
Level 3
Adam spends $300 of his income and saves the rest.
When he increases his spending by 10%, his savings decreased by 30%
  1. How much is Adam's savings at first?
  2. How much is Adam's savings in the end?
  3. How much is Adam's income?
3 m
Percent change by Percent of different bases Units method
14 P5.ST.JC.19021401
Level 3
If Adam's income increases 10% from $300 and then increases by another 10%, what is Adam's latest income?
3 m
Percent change by Percent of different bases Units method
15 P5.ST.JC.19021402
Level 3
If Adam's income decreases 10% from $330 and then decreases by another 10%, what is the new income?
3 m
Percent change by Percent of different bases Units method
16 P5.ST.JC.18121162
Level 3
If Adam's income increases 10% from $300 and then decreases by another 10%, what is Adam's latest income?
3 m
Percent change by Percent of different bases Units method
17 P5.ST.JC.18121163
Level 3
If Adam's income decreases 10% from $330 and then increases by another 10%, what is Adam's latest income?
3 m
Percent change by Percent of different bases Units method
18 P5.PC.JC.17083122
Level 3
Jane's savings is 20% more than Darwin's savings. If Jane's savings is decreased by 20%, their total savings will be $980. How much is Jane's savings?
3 m
Percent change by Percent of different bases Money More than or less than Unchanged quantity Units table Decimal units
19 P5.RD.JM.17083213
Level 3
50% of Amin's money was $350 less than Dave's money. When Amin spent 45% of her money and Dave spent 60% of his money, they had the same amount of money left. Find the amount of money Dave had at first.
4 m
Percent of a whole Percent to units Percent of different bases Money More than or less then Equal stage after Common numerator All change Units table
20 P5.PC.JM.17083119
Level 3
Patricia collected 120 foreign stamps and 80 local stamps. She gave 40% of the foreign stamps and 15% of the local stamps to Jack.
  1. How many stamps did Jack receive in all?
  2. What percentage of the stamps that Jack received were foreign stamps?
3 m
Finding percent Percent of a set Percent of different bases All change

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