Question
P2.ST.JC.18120702-A1
Adam has 40 marbles at first.
Adam gives away 30 marbles.
How many marbles 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 marbles left = _____
4 m
(a)
∑

Click ∑ button first when a symbol is required. X

(b)
∑

Click ∑ button first when a symbol is required. X

(c)
∑

Click ∑ button first when a symbol is required. X

(d)
∑

Click ∑ button first when a symbol is required. X

Symbols

Enter the numerator and denominator


Enter value


2
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STUDENT

Primary 2 STRATEGIES P2.ST.JC.18120702

07 May 2024, 06:12 AM

Adam has 40 marbles at first.
Adam gives away 30 marbles.
How many marbles 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 marbles left = _____
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