Adam has 300 stickers.
Bryan has 900 stickers.
How many less stickers does Adam have than Bryan?
- 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) Adam
(2) Bryan
- How many less stickers does Adam have than Bryan?
(a)
Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
As the question asks for '
less',
we should draw a (2) Model Comparison.
(b)
Is the total given?
(1) Yes
(2) No
(2) No, the total is not given.
(c)
Who gets the shorter bar?
(1) Adam
(2) Bryan
Adam has 300 stickers but Bryan has 900 stickers.
So, 300 is less than 900.
(1) Adam gets the shorter bar.
(d)
Number of stickers that Adam has less than Bryan
= 900 - 300
= 600
Answer(s): (a) 2; (b) 2; (c) 1; (d) 600