Question
Bryan has 80 marbles.
Adam has 10 marbles.
How many marbles do they have altogether?

  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) Bryan
    (2) Adam
  4. What is the total number of marbles?
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

Bryan has 80 marbles.
Adam has 10 marbles.
How many marbles do they have altogether?

  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) Bryan
    (2) Adam
  4. What is the total number of marbles?