Question
Adam needs 30 beads.
He has 10 beads.
How many more does he need?

  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
    (2) Needs
  4. Number of more beads that Adam needs = _____
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

Adam needs 30 beads.
He has 10 beads.
How many more does he need?

  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
    (2) Needs
  4. Number of more beads that Adam needs = _____