21 P2.ST.JC.18120702
Level 2
Adam has 50 stickers at first.
Adam gives away 20 stickers.
How many stickers are there left?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Is the total given?
    (1) Yes
    (2) No
  3. Who gets the shorter bar?
    (1) At first
    (2) Adam gives away
  4. Number of stickers left =
4 m
W Addition & subtraction Model Part-whole
22 P5.ST.JC.18121034
Level 2
Adam pays $20.40 for 1 marble and 4 stickers.
The marble costs $1.90 more than each sticker.
  1. What is the cost of 1 marble?
  2. How much is the cost of 4 marbles and 2 stickers?
2 m
D 4 operations Model Comparison Model Stacking Units method
23 P4.ST.JC.18120905
Level 1
There are some children.
There are 500 boys.
The number of boys are 300 more than the number of girls.
How many children are there altogether?
2 m
W Addition & subtraction Model Comparison
24 P3.ST.JC.18120804
Level 1
Adam has 700 stickers.
Bryan has 200 stickers.
How many more stickers does Bryan have than Adam?
How many stickers do they have altogether?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Who gets the shorter bar?
    (1) Adam
    (2) Bryan
  3. How many more stickers does Adam have than B?
  4. What is the total number of stickers?
4 m
W Addition & subtraction More than or less than Model Comparison
25 P1.ST.JC.18120605
Level 1
Adam has 7 stickers.
Bryan has 2 stickers.
How many more stickers does A have than B?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Is the total given?
    (1) Yes
    (2) No
  3. Who gets the shorter bar?
    (1) Adam
    (2) Bryan
  4. Number of stickers that Adam has more than B =
4 m
W Addition & subtraction More than or less than Model Comparison
26 P2.ST.JC.18120703
Level 2
Adam has 70 stickers at first.
Bryan gives him another 50 stickers.
How many stickers does Adam have in the end?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Is the total given?
    (1) Yes
    (2) No
  3. Who gets the shorter bar?
    (1) At first
    (2) Bryan gives him
  4. Number of stickers that Adam has in the end =
4 m
W Addition & subtraction Model Part-whole
27 P6.ST.JC.18121304
Level 1
Find the value of 1 unit.
  1. 5 u - 20 = 10
  2. 5 u - 20 = 1 u
  3. 10 = 5 u - 20
  4. 1 u = 5 u - 20
4 m
W 4 operations Units method Units equations
28 P5.ST.JC.18121002
Level 2
Adam spends $15.70 on 2 stickers and 3 marbles.
A sticker costs $1.10 more than 1 marble.
  1. How much does 1 sticker cost?
  2. How much do 4 stickers cost?
  3. How much do a marble and 4 stickers cost?
  4. How much do 4 stickers cost more than 1 marble?
4 m
D 4 operations Model Stacking Units method
29 P4.ST.JC.18120906
Level 1
There are some children.
There are 500 boys.
The number of boys are 300 less than the number of girls.
How many children are there altogether?
2 m
W Addition & subtraction Model Comparison
30 P3.ST.JC.18120805
Level 1
Adam has 800 stickers.
Bryan has 200 stickers.
How many less stickers does Bryan have than Adam?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Is the total given?
    (1) Yes
    (2) No
  3. Who gets the shorter bar?
    (1) Adam
    (2) Bryan
  4. What is the total number of stickers?
4 m
W Addition & subtraction More than or less than Model Comparison
31 P1.ST.JC.18120606
Level 1
Adam has 8 stickers.
Bryan has 2 stickers.
How many less stickers does Bryan have than Adam?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Is the total given?
    (1) Yes
    (2) No
  3. Who gets the shorter bar?
    (1) Adam
    (2) Bryan
  4. Number of stickers that Bryan has less than Adam =
4 m
W Addition & subtraction More than or less than Model Comparison
32 P2.ST.JC.18120704
Level 2
Adam has 30 stickers at first.
Adam gives B some.
Now, Adam has 10 stickers.
How many stickers does Adam give to B?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Is the total given?
    (1) Yes
    (2) No
  3. Who gets the shorter bar?
    (1) At first
    (2) Bryan gives him/li>
  4. Number of stickers that Adam gives to B =
4 m
W Addition & subtraction Model Part-whole
33 P6.ST.JC.18121305
Level 1
Find the value of 1 unit.
  1. 5 u + 8 = 1 u + 20
  2. 1 u + 20 = 5 u + 8
  3. 5 u - 20 = 1 u + 4
  4. 1 u + 4 = 5 u - 20
4 m
W 4 operations Units method Units equations
34 P5.ST.JC.18121035
Level 2
Adam pays $20.60 for a marble, a bead and a sticker.
The bead costs $2.30 more than the marble.
The sticker costs $1.90 more than the bead.
What is the cost of 2 stickers and 3 marbles?
3 m
D 4 operations More than or less than Units method
35 P3.ST.JC.18120821
Level 2
Fill in the blanks with units or unit equations.
70 children are in a school.
There are 30 more girls than boys.

  1. Number of boys = _____
  2. Number of more boys than girls = _____
  3. Total number of children = _____
  4. 1 u = _____
4 m
W Addition & subtraction Model Comparison Units method
36 P4.ST.JC.18120907
Level 1
There are 2300 marbles in total.
800 are red marbles.
The rest are blue marbles.
How many more blue marbles than red marbles are there?
2 m
W Addition & subtraction Model Comparison
37 P1.ST.JC.18120607
Level 1
Adam has 3 stickers.
Bryan has 2 more stickers than Adam.
How many stickers does Bryan have?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Is the total given?
    (1) Yes
    (2) No
  3. Who gets the shorter bar?
    (1) Adam
    (2) Bryan
  4. Number of stickers that B has =
4 m
W Addition & subtraction Model Comparison
38 P2.ST.JC.18120705
Level 2
Adam has 70 stickers at first.
Adam gives away 30 stickers.
How many stickers does Adam have in the end?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Is the total given?
    (1) Yes
    (2) No
  3. Who gets the shorter bar?
    (1) At first
    (2) Adam gives away
  4. Number of stickers that Adam has in the end =
4 m
W Addition & subtraction Model Part-whole
39 P6.ST.JC.18121306
Level 2
Find the value of 1 unit.
  1. 1 u + 8 = 20 - 5 u
  2. 20 - 5 u = 1 u + 8
  3. 1 u - 10 = 20 - 5 u
  4. 20 - 5 u = 1 u - 10
4 m
W 4 operations Units method Units equations
40 P3.ST.JC.18120822
Level 2
Fill in the blanks with units or unit equations.
70 children are in a school.
There are 30 less girls than boys.

  1. Number of boys = _____
  2. Number of more boys than girls = _____
  3. Total number of children = _____
  4. 1 u = _____
4 m
W Addition & subtraction Model Comparison Units method

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