16 P4.ST.JC.18120903
Level 1
There are some children.
There are 500 boys.
The girls are 300 more than the boys.
How many children are there altogether?
2 m
W Addition & subtraction Model Comparison
17 P6.MS.JC.18031204
Level 1
Find the following values without a calculator.
  1. 30 + 60 = _______
  2. 63 + 63 = _______
  3. 55 + 44 = _______
  4. 32 + 32 + 32 = _______
1 m
W Addition & subtraction
18 P5.MS.TL.18091805
Level 1
Find the following values without a calculator.
  1. 321 + 8 = _____
  2. 24 + 35 = _____
  3. 234 + 123 = _____
  4. 4678 + 211 = _____
1 m
W Addition & subtraction
19 P2.ST.JC.18120702
Level 2
Adam has 50 stickers at first.
Adam gives away 20 stickers.
How many stickers are there left?

  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 left =
4 m
W Addition & subtraction Model Part-whole
20 P1.ST.JC.18120604
Level 1
Adam has 7 stickers at first.
Adam gives away 3 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

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