41 P5.ST.JC.18121036
Level 2
Adam pays $20.60 for a marble, a bead and a sticker.
The marble costs $2.30 less than the bead.
The bead costs $1.90 less than the sticker.
What is the cost of 3 stickers more than 2 marbles?
3 m
D 4 operations More than or less than Units method
42 P4.ST.JC.18120908
Level 1
There are 2300 marbles in total.
800 are red marbles.
The rest are blue marbles.
How many less red marbles than blue marbles are there?
2 m
W Addition & subtraction Model Comparison
43 P1.ST.JC.18120608
Level 1
Adam has 3 stickers.
Bryan has 2 less 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
44 P2.ST.JC.18120706
Level 2
Adam needs 40 stickers.
He has 10 stickers.
How many more does he need?

  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) Has
    (2) Needs
  4. Number of more stickers that Adam needs =
4 m
W Addition & subtraction Model Part-whole
45 P6.ST.JC.18121307
Level 2
Find the value of 1 unit.
  1. 5 u - 20 = 1 u - 8
  2. 1 u - 8 = 5 u - 20
  3. 8 - 1 u = 20 - 5 u
  4. 20 - 5 u = 8 - 1 u
4 m
W 4 operations Units method Units equations

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