86 P4.ST.JC.18120920
Level 3
3 children have 300 stickers.
Adam has 10 more stickers than Bryan.
Chris has 40 more stickers than Adam.
How many stickers does Chris have?
2 m
Model Comparison Units method
87 P5.DA.JC.17100324
Level 1
The average mass of a tiger and a leopard is 183 kg. The tiger's mass is 7 kg more than the leopard's. Find the mass of the tiger.
1 m
Average Mass Model Comparison Units method
88 P4.ST.JC.18120901
Level 1
Adam has 1800 red stickers, 2400 blue stickers and 1200 yellow stickers.
After some stickers are given away,
Adam has 3000 stickers left.
How many stickers are given away?
2 m
W Addition & subtraction Model Part-whole
89 P2.ST.JC.18120718
Level 2
Adam and Bryan have 10 stickers.
Adam has 2 more stickers than Bryan.
Find the number of stickers that Adam has.

  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 =
4 m
W Addition & subtraction Model Comparison
90 P3.ST.JC.18120816
Level 2
There are 60 children and some adults.
The number of boys is 20.
If the number of adults is 30 more than the girls.

  1. How many adults are there?
  2. How many people are there?
  3. How many more adults than boys are there?
  4. How many less boys than girls are there?
5 m
W Addition & subtraction Model Comparison

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