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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