Question
P2.ST.JC.18120704-A1
Bryan has 90 marbles at first.
Bryan gives Adam some.
Now, Bryan has 30 marbles.
How many marbles does Bryan give to 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) Has at first
    (2) Has now
  4. Number of marbles that Bryan gives to Adam = _____
4 m
(a)
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(b)
∑

Click ∑ button first when a symbol is required. X

(c)
∑

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(d)
∑

Click ∑ button first when a symbol is required. X

Symbols

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2
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STUDENT

Primary 2 STRATEGIES P2.ST.JC.18120704

08 May 2024, 03:08 PM

Bryan has 90 marbles at first.
Bryan gives Adam some.
Now, Bryan has 30 marbles.
How many marbles does Bryan give to 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) Has at first
    (2) Has now
  4. Number of marbles that Bryan gives to Adam = _____
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