Bryan has 40 beads at first.
Bryan gives Adam some.
Now, Bryan has 10 beads.
How many beads does Bryan give to Adam?
- Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
- Is the total given?
(1) Yes
(2) No
- Who gets the shorter bar?
(1) Has at first
(2) Has now
- Number of beads that Bryan gives to Adam = _____
(a)
Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
We should draw a (1) Model Part-whole.
(b)
Is the total given?
(1) Yes
(2) No
(1) The total is given.
(c)
Who gets the shorter bar?
(1) Has at first
(2) Has in the end
10 beads is less than 40 beads. So, (2) 'Has in the end' gets the shorter bar.
(d)
Number of beads that Bryan gives Adam
= 40 - 10
= 30
Answer(s): (a) 1; (b) 1; (c) 2; (d) 30