21 P5.ST.JC.18121168
Level 3
Adam has some blue stickers and red stickers.
If Adam receives another 60 blue stickers,
the blue stickers will be 80% as many as the red stickers.
If Adam receives another 300 red stickers,
the blue stickers will be 20% as many as the red stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Percent to units Unchanged quantity Double if Units table Units & parts Substitution
22 P5.ST.JC.18121169
Level 3
Adam has some blue stickers and red stickers.
If Adam gives away 50 blue stickers,
the blue stickers will be 10% as many as the red stickers.
If Adam gives away 250 red stickers,
the blue stickers will be 40% as many as the red stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Percent to units All change Double if Units table Unchanged quantity Units & parts Substitution
23 P5.ST.JC.18121170
Level 3
Adam has some blue stickers and red stickers.
If Adam receives another 50 blue stickers,
the blue stickers will be 50% as many as the red stickers.
If Adam gives away 50 red stickers,
the blue stickers will be 40% as many as the red stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Percent to units All change Double if Units table Unchanged quantity Units & parts Substitution
24 P5.ST.JC.18121167
Level 3
If Adam gives Bryan 30 stickers,
the number of stickers that Adam will have is 25% of Bryan's.
If Bryan gives Adam 3 stickers,
the number of stickers that Adam will have is 40% of Bryan's.
  1. How many stickers does Adam have?
  2. How many stickers does Bryan have?
4 m
Percent of a set Percent to units Internal transfer Unchanged total Double if Units table Units equations
25 P5.ST.JC.18121171
Level 3
Adam has some blue stickers and red stickers.
If 500 blue stickers are added, 30% of the stickers will be red stickers.
If 500 red stickers are added, 20% of the stickers will be blue stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Percent of a set Percent to units All change Double if Units table Units & parts
26 P5.ST.JC.18121172
Level 3
Adam has some blue stickers and red stickers.
If 300 blue stickers are removed, 25% of the stickers will be blue stickers.
If 200 red stickers are removed, 20% of the stickers will be red stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Percent of a set Percent to units All change Double if Units table Units & parts
27 P5.ST.JC.18121173
Level 3
Adam has some blue stickers and red stickers.
If 100 blue stickers are removed, 75% of the stickers will be blue stickers.
If 500 red stickers are added, 20% of the stickers will be blue stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Percent of a set Percent to units All change Double if Units table Units & parts
28 P6.RD.TL.16010196
Level 3
Yvonne and Anna have some pens. If Yvonne gives 45 pens to Anna, Anna will have 4 times the number of pens as Yvonne. If Anna gives 104 pens to Yvonne, Yvonne will have 13 as many pens as Anna. How many pens does Yvonne have at first?
4 m
Fraction to units Times as many Internal transfer Unchanged total Double if Units equations Units table
29 P6.PC.TL.16010145
Level 3
If Yvonne gives Oscar $27, the amount of money she has will be 25% of his. If Oscar gives Yvonne $12, he will have the same amount of money as her. How much money did each of them have?
(a) Oscar
(b) Yvonne
4 m
Percent to units Money Equal stage after Internal transfer Unchanged total Double if Units table Decimal units
30 P5.RD.JM.17083363
Level 3
Jeremy has a crate containing some red and green grapes. If he adds in 10 bunches of red grapes, 0.6 of the bunches of grapes in the carton will be green grapes. If he adds in 30 bunches of green grapes, 34 of the bunches of grapes in the carton will be green grapes. How many bunches of grapes are there in crate?
5 m
Fraction of a set Fraction to units Decimal to units Double if Units equations Units table Units & Parts Elimination
31 P5.PC.JM.17083185
Level 3
If Kelly sells a hand phone at a discount of 20% of the usual price, she will make a profit of $40. If she sells it at a discount of 40%, she will incur a loss of $45. Find the price of the hand phone.
4 m
Discount Profit & loss Double if Units method
32 P5.PC.JM.17083187
Level 3
If Jerome sells a camera at a discount of 5% of the usual price, he will make a profit of $75. If he sells it at a discount of 20%, he will still make a profit of $30. Find the cost price of the camera.
4 m
Discount Profit & loss Double if Units method
33 P5.PC.JM.17083186
Level 3
If Melvin sells a television at a markup price of 10% above its usual selling price, he will make a profit of $500. If he sells it at a discount of 20% of its usual selling price, he will incur a loss of $100. Find the selling price of the television.
4 m
Discount Profit & loss Double if Units method
34 P5.PC.NK.23021762
Level 3
Marion had some red and pink marbles. If she gives away 16 red marbles, the number of red marbles will be 10% of the total number of marbles left. If she gives away 48 pink marbles, the number of red marbles will be 25% of the total number of marbles left.
  1. How many marbles does Marion have altogether?
  2. What fraction of Marion's marbles is pink?
4 m
Percent to units Fraction of a set Double if Units table Units & parts Elimination
35 P6.FR.TL.16010163
Level 3
Cathy and Queenie have some money. If Cathy spends $7, she will have 45 as much money as Queenie. If Queenie spends $3, Cathy will have 56 as much money as Queenie. How much money does Cathy have?
4 m
Fraction to units Double if Units table Units & parts Elimination
36 P6.FR.TL.16010162
Level 3
Tina and Sarah have some cupcakes each. If Tina gives Sarah 49 cupcakes, Tina will have 34 as many cupcakes as Sarah. If Tina gives Sarah 19 cupcakes, they will have an equal number of cupcakes. How many cupcakes does Tina have at first?
4 m
Fraction to units Equal stage after Unchanged total Double if Units equations Units table Decimal units
37 P4.DE.JM.171010144
Level 3
Mr Ho wants to buy the same type of files. If he buys 6 files, he will have $3 left. If he buys 8 files, he will be short of $5.50. How much do 6 files cost?
4 m
Money Double if Gap & difference Units equations
38 P4.DE.JM.171010145
Level 3
Marnie wants to buy some files of the same price. If she buys 6 files, she will have $7.20 left. If she buys 10 files, she will have no money left.
  1. How much does each file cost?
  2. How much does Marnie have?
4 m
Money Double if Gap & difference Units equations
39 P4.DE.JM.171010146
Level 3
Nancy wants to buy some files of the same price. If she buys 2 files, she will have $3.60 left. If she buys 5 files, she will short of $1.50.
  1. How much does each file cost?
  2. How much does Nancy have?
4 m
Money Double if Gap & difference Units equations
40 P5.WN.JC.17083255
Level 3
Fanny and Gillian collected some stamps. If Fanny gave Gillian 52 stamps, both would have an equal number of stamps. If Gillian gave Fanny 40 stamps, Fanny would have 5 times as many stamps as Gillian. Find the number of stamps each of them had.
  1. Fanny?
  2. Gillian?
4 m
Times as many Equal stage after Internal transfer Double if Units equations Units table

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