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

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