Adam has 80 stickers.
Bryan has 70 stickers.
How many less stickers does Bryan have than 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) Adam
(2) Bryan
- Number of stickers that Bryan has less than Adam = _____
(a)
Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
We should draw a (2) Model Comparison.
(b)
Is the total given?
(1) Yes
(2) No
(2) The total is not given.
(c)
Who gets the shorter bar?
(1) Adam
(2) Bryan
Adam has 80 stickers but Bryan has 70 stickers.
70 is less than 80. So, (2) Bryan gets the shorter bar.
(d)
Number of stickers that Bryan has less than Adam
= 80 - 70
= 10
Answer(s): (a) 2; (b) 2; (c) 2; (d) 10