111 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
112 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
113 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
114 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
115 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

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